25109308

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 51267216

約数和(自身を除く): 26157908

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 241, 244, 427, 482, 854, 964, 1687, 1708, 3374, 3721, 6748, 7442, 14701, 14884, 26047, 29402, 52094, 58804, 102907, 104188, 205814, 411628, 896761, 1793522, 3587044, 6277327, 12554654, 25109308]

約数ペア:

[(1, 25109308), (2, 12554654), (4, 6277327), (7, 3587044), (14, 1793522), (28, 896761), (61, 411628), (122, 205814), (241, 104188), (244, 102907), (427, 58804), (482, 52094), (854, 29402), (964, 26047), (1687, 14884), (1708, 14701), (3374, 7442), (3721, 6748)]