25493152

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 26664800

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 97, 172, 191, 194, 344, 382, 388, 688, 764, 776, 1376, 1528, 1552, 3056, 3104, 4171, 6112, 8213, 8342, 16426, 16684, 18527, 32852, 33368, 37054, 65704, 66736, 74108, 131408, 133472, 148216, 262816, 296432, 592864, 796661, 1593322, 3186644, 6373288, 12746576, 25493152]

約数ペア:

[(1, 25493152), (2, 12746576), (4, 6373288), (8, 3186644), (16, 1593322), (32, 796661), (43, 592864), (86, 296432), (97, 262816), (172, 148216), (191, 133472), (194, 131408), (344, 74108), (382, 66736), (388, 65704), (688, 37054), (764, 33368), (776, 32852), (1376, 18527), (1528, 16684), (1552, 16426), (3056, 8342), (3104, 8213), (4171, 6112)]