64578992

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 128420352

約数和(自身を除く): 63841360

約数列:

[1, 2, 4, 8, 16, 61, 122, 127, 244, 254, 488, 508, 521, 976, 1016, 1042, 2032, 2084, 4168, 7747, 8336, 15494, 30988, 31781, 61976, 63562, 66167, 123952, 127124, 132334, 254248, 264668, 508496, 529336, 1058672, 4036187, 8072374, 16144748, 32289496, 64578992]

約数ペア:

[(1, 64578992), (2, 32289496), (4, 16144748), (8, 8072374), (16, 4036187), (61, 1058672), (122, 529336), (127, 508496), (244, 264668), (254, 254248), (488, 132334), (508, 127124), (521, 123952), (976, 66167), (1016, 63562), (1042, 61976), (2032, 31781), (2084, 30988), (4168, 15494), (7747, 8336)]