81697308

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:792

約数の個数: 144

約数和(自身を含む): 256483584

約数和(自身を除く): 174786276

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 49, 51, 66, 68, 77, 84, 98, 102, 119, 132, 147, 154, 187, 196, 204, 231, 238, 294, 308, 357, 374, 462, 476, 539, 561, 588, 714, 743, 748, 833, 924, 1078, 1122, 1309, 1428, 1486, 1617, 1666, 2156, 2229, 2244, 2499, 2618, 2972, 3234, 3332, 3927, 4458, 4998, 5201, 5236, 6468, 7854, 8173, 8916, 9163, 9996, 10402, 12631, 15603, 15708, 16346, 18326, 20804, 24519, 25262, 27489, 31206, 32692, 36407, 36652, 37893, 49038, 50524, 54978, 57211, 62412, 72814, 75786, 88417, 98076, 109221, 109956, 114422, 138941, 145628, 151572, 171633, 176834, 218442, 228844, 265251, 277882, 343266, 353668, 400477, 416823, 436884, 530502, 555764, 618919, 686532, 800954, 833646, 972587, 1061004, 1201431, 1237838, 1601908, 1667292, 1856757, 1945174, 2402862, 2475676, 2917761, 3713514, 3890348, 4805724, 5835522, 6808109, 7427028, 11671044, 13616218, 20424327, 27232436, 40848654, 81697308]

約数ペア:

[(1, 81697308), (2, 40848654), (3, 27232436), (4, 20424327), (6, 13616218), (7, 11671044), (11, 7427028), (12, 6808109), (14, 5835522), (17, 4805724), (21, 3890348), (22, 3713514), (28, 2917761), (33, 2475676), (34, 2402862), (42, 1945174), (44, 1856757), (49, 1667292), (51, 1601908), (66, 1237838), (68, 1201431), (77, 1061004), (84, 972587), (98, 833646), (102, 800954), (119, 686532), (132, 618919), (147, 555764), (154, 530502), (187, 436884), (196, 416823), (204, 400477), (231, 353668), (238, 343266), (294, 277882), (308, 265251), (357, 228844), (374, 218442), (462, 176834), (476, 171633), (539, 151572), (561, 145628), (588, 138941), (714, 114422), (743, 109956), (748, 109221), (833, 98076), (924, 88417), (1078, 75786), (1122, 72814), (1309, 62412), (1428, 57211), (1486, 54978), (1617, 50524), (1666, 49038), (2156, 37893), (2229, 36652), (2244, 36407), (2499, 32692), (2618, 31206), (2972, 27489), (3234, 25262), (3332, 24519), (3927, 20804), (4458, 18326), (4998, 16346), (5201, 15708), (5236, 15603), (6468, 12631), (7854, 10402), (8173, 9996), (8916, 9163)]