25991368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 56715120

約数和(自身を除く): 30723752

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 241, 244, 442, 482, 488, 793, 884, 964, 1037, 1586, 1768, 1928, 2074, 3133, 3172, 4097, 4148, 6266, 6344, 8194, 8296, 12532, 13481, 14701, 16388, 25064, 26962, 29402, 32776, 53261, 53924, 58804, 106522, 107848, 117608, 191113, 213044, 249917, 382226, 426088, 499834, 764452, 999668, 1528904, 1999336, 3248921, 6497842, 12995684, 25991368]

約数ペア:

[(1, 25991368), (2, 12995684), (4, 6497842), (8, 3248921), (13, 1999336), (17, 1528904), (26, 999668), (34, 764452), (52, 499834), (61, 426088), (68, 382226), (104, 249917), (122, 213044), (136, 191113), (221, 117608), (241, 107848), (244, 106522), (442, 58804), (482, 53924), (488, 53261), (793, 32776), (884, 29402), (964, 26962), (1037, 25064), (1586, 16388), (1768, 14701), (1928, 13481), (2074, 12532), (3133, 8296), (3172, 8194), (4097, 6344), (4148, 6266)]