64267216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9967}}^1$

素因数の和:10019

約数の個数: 40

約数和(自身を含む): 138435584

約数和(自身を除く): 74168368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 9967, 19934, 39868, 79736, 129571, 159472, 259142, 308977, 518284, 617954, 1036568, 1235908, 2073136, 2471816, 4016701, 4943632, 8033402, 16066804, 32133608, 64267216]

約数ペア:

[(1, 64267216), (2, 32133608), (4, 16066804), (8, 8033402), (13, 4943632), (16, 4016701), (26, 2471816), (31, 2073136), (52, 1235908), (62, 1036568), (104, 617954), (124, 518284), (208, 308977), (248, 259142), (403, 159472), (496, 129571), (806, 79736), (1612, 39868), (3224, 19934), (6448, 9967)]