259031994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 571146240

約数和(自身を除く): 312114246

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 127, 158, 237, 254, 331, 381, 474, 662, 762, 993, 1027, 1651, 1986, 2054, 3081, 3302, 4303, 4953, 6162, 8606, 9906, 10033, 12909, 20066, 25818, 26149, 30099, 42037, 52298, 60198, 78447, 84074, 126111, 130429, 156894, 252222, 260858, 339937, 391287, 546481, 679874, 782574, 1019811, 1092962, 1639443, 2039622, 3278886, 3320923, 6641846, 9962769, 19925538, 43171999, 86343998, 129515997, 259031994]

約数ペア:

[(1, 259031994), (2, 129515997), (3, 86343998), (6, 43171999), (13, 19925538), (26, 9962769), (39, 6641846), (78, 3320923), (79, 3278886), (127, 2039622), (158, 1639443), (237, 1092962), (254, 1019811), (331, 782574), (381, 679874), (474, 546481), (662, 391287), (762, 339937), (993, 260858), (1027, 252222), (1651, 156894), (1986, 130429), (2054, 126111), (3081, 84074), (3302, 78447), (4303, 60198), (4953, 52298), (6162, 42037), (8606, 30099), (9906, 26149), (10033, 25818), (12909, 20066)]