128868736

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 271042560

約数和(自身を除く): 142173824

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 128, 188, 248, 376, 496, 691, 752, 992, 1382, 1457, 1504, 1984, 2764, 2914, 3008, 3968, 5528, 5828, 6016, 11056, 11656, 21421, 22112, 23312, 32477, 42842, 44224, 46624, 64954, 85684, 88448, 93248, 129908, 171368, 186496, 259816, 342736, 519632, 685472, 1006787, 1039264, 1370944, 2013574, 2078528, 2741888, 4027148, 4157056, 8054296, 16108592, 32217184, 64434368, 128868736]

約数ペア:

[(1, 128868736), (2, 64434368), (4, 32217184), (8, 16108592), (16, 8054296), (31, 4157056), (32, 4027148), (47, 2741888), (62, 2078528), (64, 2013574), (94, 1370944), (124, 1039264), (128, 1006787), (188, 685472), (248, 519632), (376, 342736), (496, 259816), (691, 186496), (752, 171368), (992, 129908), (1382, 93248), (1457, 88448), (1504, 85684), (1984, 64954), (2764, 46624), (2914, 44224), (3008, 42842), (3968, 32477), (5528, 23312), (5828, 22112), (6016, 21421), (11056, 11656)]