257823972

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:789

約数の個数: 168

約数和(自身を含む): 819697536

約数和(自身を除く): 561873564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 243, 252, 306, 324, 357, 378, 459, 476, 486, 567, 612, 714, 729, 743, 756, 918, 972, 1071, 1134, 1377, 1428, 1458, 1486, 1701, 1836, 2142, 2229, 2268, 2754, 2916, 2972, 3213, 3402, 4131, 4284, 4458, 5103, 5201, 5508, 6426, 6687, 6804, 8262, 8916, 9639, 10206, 10402, 12393, 12631, 12852, 13374, 15603, 16524, 19278, 20061, 20412, 20804, 24786, 25262, 26748, 28917, 31206, 37893, 38556, 40122, 46809, 49572, 50524, 57834, 60183, 62412, 75786, 80244, 86751, 88417, 93618, 113679, 115668, 120366, 140427, 151572, 173502, 176834, 180549, 187236, 227358, 240732, 265251, 280854, 341037, 347004, 353668, 361098, 421281, 454716, 530502, 541647, 561708, 682074, 722196, 795753, 842562, 1023111, 1061004, 1083294, 1263843, 1364148, 1591506, 1685124, 2046222, 2166588, 2387259, 2527686, 3069333, 3183012, 3791529, 4092444, 4774518, 5055372, 6138666, 7161777, 7583058, 9207999, 9549036, 12277332, 14323554, 15166116, 18415998, 21485331, 28647108, 36831996, 42970662, 64455993, 85941324, 128911986, 257823972]

約数ペア:

[(1, 257823972), (2, 128911986), (3, 85941324), (4, 64455993), (6, 42970662), (7, 36831996), (9, 28647108), (12, 21485331), (14, 18415998), (17, 15166116), (18, 14323554), (21, 12277332), (27, 9549036), (28, 9207999), (34, 7583058), (36, 7161777), (42, 6138666), (51, 5055372), (54, 4774518), (63, 4092444), (68, 3791529), (81, 3183012), (84, 3069333), (102, 2527686), (108, 2387259), (119, 2166588), (126, 2046222), (153, 1685124), (162, 1591506), (189, 1364148), (204, 1263843), (238, 1083294), (243, 1061004), (252, 1023111), (306, 842562), (324, 795753), (357, 722196), (378, 682074), (459, 561708), (476, 541647), (486, 530502), (567, 454716), (612, 421281), (714, 361098), (729, 353668), (743, 347004), (756, 341037), (918, 280854), (972, 265251), (1071, 240732), (1134, 227358), (1377, 187236), (1428, 180549), (1458, 176834), (1486, 173502), (1701, 151572), (1836, 140427), (2142, 120366), (2229, 115668), (2268, 113679), (2754, 93618), (2916, 88417), (2972, 86751), (3213, 80244), (3402, 75786), (4131, 62412), (4284, 60183), (4458, 57834), (5103, 50524), (5201, 49572), (5508, 46809), (6426, 40122), (6687, 38556), (6804, 37893), (8262, 31206), (8916, 28917), (9639, 26748), (10206, 25262), (10402, 24786), (12393, 20804), (12631, 20412), (12852, 20061), (13374, 19278), (15603, 16524)]