64720976

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{35797}}^1$

素因数の和:35918

約数の個数: 20

約数和(自身を含む): 126510132

約数和(自身を除く): 61789156

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 35797, 71594, 143188, 286376, 572752, 4045061, 8090122, 16180244, 32360488, 64720976]

約数ペア:

[(1, 64720976), (2, 32360488), (4, 16180244), (8, 8090122), (16, 4045061), (113, 572752), (226, 286376), (452, 143188), (904, 71594), (1808, 35797)]