121666816

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{15331}}^1$

素因数の和:15378

約数の個数: 36

約数和(自身を含む): 250708864

約数和(自身を除く): 129042048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 15331, 30662, 61324, 122648, 245296, 475261, 490592, 950522, 981184, 1901044, 1962368, 3802088, 3924736, 7604176, 15208352, 30416704, 60833408, 121666816]

約数ペア:

[(1, 121666816), (2, 60833408), (4, 30416704), (8, 15208352), (16, 7604176), (31, 3924736), (32, 3802088), (62, 1962368), (64, 1901044), (124, 981184), (128, 950522), (248, 490592), (256, 475261), (496, 245296), (992, 122648), (1984, 61324), (3968, 30662), (7936, 15331)]