42139964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{977}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 75908448

約数和(自身を除く): 33768484

約数列:

[1, 2, 4, 41, 82, 164, 263, 526, 977, 1052, 1954, 3908, 10783, 21566, 40057, 43132, 80114, 160228, 256951, 513902, 1027804, 10534991, 21069982, 42139964]

約数ペア:

[(1, 42139964), (2, 21069982), (4, 10534991), (41, 1027804), (82, 513902), (164, 256951), (263, 160228), (526, 80114), (977, 43132), (1052, 40057), (1954, 21566), (3908, 10783)]