1581668608

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15331}}^1$

素因数の和:15391

約数の個数: 72

約数和(自身を含む): 3509924096

約数和(自身を除く): 1928255488

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6448, 7936, 12896, 15331, 25792, 30662, 51584, 61324, 103168, 122648, 199303, 245296, 398606, 475261, 490592, 797212, 950522, 981184, 1594424, 1901044, 1962368, 3188848, 3802088, 3924736, 6178393, 6377696, 7604176, 12356786, 12755392, 15208352, 24713572, 25510784, 30416704, 49427144, 51021568, 60833408, 98854288, 121666816, 197708576, 395417152, 790834304, 1581668608]

約数ペア:

[(1, 1581668608), (2, 790834304), (4, 395417152), (8, 197708576), (13, 121666816), (16, 98854288), (26, 60833408), (31, 51021568), (32, 49427144), (52, 30416704), (62, 25510784), (64, 24713572), (104, 15208352), (124, 12755392), (128, 12356786), (208, 7604176), (248, 6377696), (256, 6178393), (403, 3924736), (416, 3802088), (496, 3188848), (806, 1962368), (832, 1901044), (992, 1594424), (1612, 981184), (1664, 950522), (1984, 797212), (3224, 490592), (3328, 475261), (3968, 398606), (6448, 245296), (7936, 199303), (12896, 122648), (15331, 103168), (25792, 61324), (30662, 51584)]