25249352

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 51354960

約数和(自身を除く): 26105608

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 163, 268, 289, 326, 536, 578, 652, 1139, 1156, 1304, 2278, 2312, 2771, 4556, 5542, 9112, 10921, 11084, 19363, 21842, 22168, 38726, 43684, 47107, 77452, 87368, 94214, 154904, 185657, 188428, 371314, 376856, 742628, 1485256, 3156169, 6312338, 12624676, 25249352]

約数ペア:

[(1, 25249352), (2, 12624676), (4, 6312338), (8, 3156169), (17, 1485256), (34, 742628), (67, 376856), (68, 371314), (134, 188428), (136, 185657), (163, 154904), (268, 94214), (289, 87368), (326, 77452), (536, 47107), (578, 43684), (652, 38726), (1139, 22168), (1156, 21842), (1304, 19363), (2278, 11084), (2312, 10921), (2771, 9112), (4556, 5542)]