490985874

素因数分解:

$2^1\times 3^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 1224377856

約数和(自身を除く): 733391982

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 51, 54, 62, 71, 81, 93, 102, 142, 153, 162, 186, 213, 243, 279, 306, 426, 459, 486, 527, 558, 639, 729, 837, 918, 1054, 1207, 1278, 1377, 1458, 1581, 1674, 1917, 2187, 2201, 2414, 2511, 2754, 3162, 3621, 3834, 4131, 4374, 4402, 4743, 5022, 5751, 6561, 6603, 7242, 7533, 8262, 9486, 10863, 11502, 12393, 13122, 13206, 14229, 15066, 17253, 19809, 21726, 22599, 24786, 28458, 32589, 34506, 37179, 37417, 39618, 42687, 45198, 51759, 59427, 65178, 67797, 74358, 74834, 85374, 97767, 103518, 111537, 112251, 118854, 128061, 135594, 155277, 178281, 195534, 203391, 223074, 224502, 256122, 293301, 310554, 336753, 356562, 384183, 406782, 465831, 534843, 586602, 673506, 768366, 879903, 931662, 1010259, 1069686, 1152549, 1604529, 1759806, 2020518, 2305098, 2639709, 3030777, 3209058, 3457647, 4813587, 5279418, 6061554, 6915294, 7919127, 9092331, 9627174, 14440761, 15838254, 18184662, 27276993, 28881522, 54553986, 81830979, 163661958, 245492937, 490985874]

約数ペア:

[(1, 490985874), (2, 245492937), (3, 163661958), (6, 81830979), (9, 54553986), (17, 28881522), (18, 27276993), (27, 18184662), (31, 15838254), (34, 14440761), (51, 9627174), (54, 9092331), (62, 7919127), (71, 6915294), (81, 6061554), (93, 5279418), (102, 4813587), (142, 3457647), (153, 3209058), (162, 3030777), (186, 2639709), (213, 2305098), (243, 2020518), (279, 1759806), (306, 1604529), (426, 1152549), (459, 1069686), (486, 1010259), (527, 931662), (558, 879903), (639, 768366), (729, 673506), (837, 586602), (918, 534843), (1054, 465831), (1207, 406782), (1278, 384183), (1377, 356562), (1458, 336753), (1581, 310554), (1674, 293301), (1917, 256122), (2187, 224502), (2201, 223074), (2414, 203391), (2511, 195534), (2754, 178281), (3162, 155277), (3621, 135594), (3834, 128061), (4131, 118854), (4374, 112251), (4402, 111537), (4743, 103518), (5022, 97767), (5751, 85374), (6561, 74834), (6603, 74358), (7242, 67797), (7533, 65178), (8262, 59427), (9486, 51759), (10863, 45198), (11502, 42687), (12393, 39618), (13122, 37417), (13206, 37179), (14229, 34506), (15066, 32589), (17253, 28458), (19809, 24786), (21726, 22599)]