66877456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3463}}^1$

素因数の和:3559

約数の個数: 40

約数和(自身を含む): 139169664

約数和(自身を除く): 72292208

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 3463, 4828, 6926, 9656, 13852, 19312, 27704, 55408, 58871, 117742, 235484, 245873, 470968, 491746, 941936, 983492, 1966984, 3933968, 4179841, 8359682, 16719364, 33438728, 66877456]

約数ペア:

[(1, 66877456), (2, 33438728), (4, 16719364), (8, 8359682), (16, 4179841), (17, 3933968), (34, 1966984), (68, 983492), (71, 941936), (136, 491746), (142, 470968), (272, 245873), (284, 235484), (568, 117742), (1136, 58871), (1207, 55408), (2414, 27704), (3463, 19312), (4828, 13852), (6926, 9656)]