381026412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1889}}^1$

素因数の和:2343

約数の個数: 72

約数和(自身を含む): 1040195520

約数和(自身を除く): 659169108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 431, 468, 862, 1293, 1724, 1889, 2586, 3778, 3879, 5172, 5603, 5667, 7556, 7758, 11206, 11334, 15516, 16809, 17001, 22412, 22668, 24557, 33618, 34002, 49114, 50427, 67236, 68004, 73671, 98228, 100854, 147342, 201708, 221013, 294684, 442026, 814159, 884052, 1628318, 2442477, 3256636, 4884954, 7327431, 9769908, 10584067, 14654862, 21168134, 29309724, 31752201, 42336268, 63504402, 95256603, 127008804, 190513206, 381026412]

約数ペア:

[(1, 381026412), (2, 190513206), (3, 127008804), (4, 95256603), (6, 63504402), (9, 42336268), (12, 31752201), (13, 29309724), (18, 21168134), (26, 14654862), (36, 10584067), (39, 9769908), (52, 7327431), (78, 4884954), (117, 3256636), (156, 2442477), (234, 1628318), (431, 884052), (468, 814159), (862, 442026), (1293, 294684), (1724, 221013), (1889, 201708), (2586, 147342), (3778, 100854), (3879, 98228), (5172, 73671), (5603, 68004), (5667, 67236), (7556, 50427), (7758, 49114), (11206, 34002), (11334, 33618), (15516, 24557), (16809, 22668), (17001, 22412)]