285404444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 554178240

約数和(自身を除く): 268773796

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 263, 509, 526, 533, 1018, 1052, 1066, 2036, 2132, 3419, 6617, 6838, 10783, 13234, 13676, 20869, 21566, 26468, 41738, 43132, 83476, 133867, 140179, 267734, 271297, 280358, 535468, 542594, 560716, 1085188, 1740271, 3480542, 5488547, 6961084, 10977094, 21954188, 71351111, 142702222, 285404444]

約数ペア:

[(1, 285404444), (2, 142702222), (4, 71351111), (13, 21954188), (26, 10977094), (41, 6961084), (52, 5488547), (82, 3480542), (164, 1740271), (263, 1085188), (509, 560716), (526, 542594), (533, 535468), (1018, 280358), (1052, 271297), (1066, 267734), (2036, 140179), (2132, 133867), (3419, 83476), (6617, 43132), (6838, 41738), (10783, 26468), (13234, 21566), (13676, 20869)]