156331264

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{19699}}^1$

素因数の和:19746

約数の個数: 36

約数和(自身を含む): 322134400

約数和(自身を除く): 165803136

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 19699, 39398, 78796, 157592, 315184, 610669, 630368, 1221338, 1260736, 2442676, 2521472, 4885352, 5042944, 9770704, 19541408, 39082816, 78165632, 156331264]

約数ペア:

[(1, 156331264), (2, 78165632), (4, 39082816), (8, 19541408), (16, 9770704), (31, 5042944), (32, 4885352), (62, 2521472), (64, 2442676), (124, 1260736), (128, 1221338), (248, 630368), (256, 610669), (496, 315184), (992, 157592), (1984, 78796), (3968, 39398), (7936, 19699)]