398237456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{8521}}^1$

素因数の和:8679

約数の個数: 40

約数和(自身を含む): 811567104

約数和(自身を除く): 413329648

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 368, 508, 1016, 2032, 2921, 5842, 8521, 11684, 17042, 23368, 34084, 46736, 68168, 136336, 195983, 391966, 783932, 1082167, 1567864, 2164334, 3135728, 4328668, 8657336, 17314672, 24889841, 49779682, 99559364, 199118728, 398237456]

約数ペア:

[(1, 398237456), (2, 199118728), (4, 99559364), (8, 49779682), (16, 24889841), (23, 17314672), (46, 8657336), (92, 4328668), (127, 3135728), (184, 2164334), (254, 1567864), (368, 1082167), (508, 783932), (1016, 391966), (2032, 195983), (2921, 136336), (5842, 68168), (8521, 46736), (11684, 34084), (17042, 23368)]