31899808

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 33297632

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 97, 172, 194, 239, 344, 388, 478, 688, 776, 956, 1376, 1552, 1912, 3104, 3824, 4171, 7648, 8342, 10277, 16684, 20554, 23183, 33368, 41108, 46366, 66736, 82216, 92732, 133472, 164432, 185464, 328864, 370928, 741856, 996869, 1993738, 3987476, 7974952, 15949904, 31899808]

約数ペア:

[(1, 31899808), (2, 15949904), (4, 7974952), (8, 3987476), (16, 1993738), (32, 996869), (43, 741856), (86, 370928), (97, 328864), (172, 185464), (194, 164432), (239, 133472), (344, 92732), (388, 82216), (478, 66736), (688, 46366), (776, 41108), (956, 33368), (1376, 23183), (1552, 20554), (1912, 16684), (3104, 10277), (3824, 8342), (4171, 7648)]