397331888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{2383}}^1$

素因数の和:3021

約数の個数: 40

約数和(自身を含む): 816787008

約数和(自身を除く): 419455120

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 613, 1226, 2383, 2452, 4766, 4904, 9532, 9808, 10421, 19064, 20842, 38128, 40511, 41684, 81022, 83368, 162044, 166736, 324088, 648176, 1460779, 2921558, 5843116, 11686232, 23372464, 24833243, 49666486, 99332972, 198665944, 397331888]

約数ペア:

[(1, 397331888), (2, 198665944), (4, 99332972), (8, 49666486), (16, 24833243), (17, 23372464), (34, 11686232), (68, 5843116), (136, 2921558), (272, 1460779), (613, 648176), (1226, 324088), (2383, 166736), (2452, 162044), (4766, 83368), (4904, 81022), (9532, 41684), (9808, 40511), (10421, 38128), (19064, 20842)]