686241668

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2233

約数の個数: 72

約数和(自身を含む): 1469954304

約数和(自身を除く): 783712636

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 53, 62, 98, 106, 124, 196, 212, 217, 371, 434, 742, 868, 1484, 1519, 1643, 2131, 2597, 3038, 3286, 4262, 5194, 6076, 6572, 8524, 10388, 11501, 14917, 23002, 29834, 46004, 59668, 66061, 80507, 104419, 112943, 132122, 161014, 208838, 225886, 264244, 322028, 417676, 451772, 462427, 790601, 924854, 1581202, 1849708, 3162404, 3236989, 3501233, 5534207, 6473978, 7002466, 11068414, 12947956, 14004932, 22136828, 24508631, 49017262, 98034524, 171560417, 343120834, 686241668]

約数ペア:

[(1, 686241668), (2, 343120834), (4, 171560417), (7, 98034524), (14, 49017262), (28, 24508631), (31, 22136828), (49, 14004932), (53, 12947956), (62, 11068414), (98, 7002466), (106, 6473978), (124, 5534207), (196, 3501233), (212, 3236989), (217, 3162404), (371, 1849708), (434, 1581202), (742, 924854), (868, 790601), (1484, 462427), (1519, 451772), (1643, 417676), (2131, 322028), (2597, 264244), (3038, 225886), (3286, 208838), (4262, 161014), (5194, 132122), (6076, 112943), (6572, 104419), (8524, 80507), (10388, 66061), (11501, 59668), (14917, 46004), (23002, 29834)]