31172696

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 63180600

約数和(自身を除く): 32007904

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 139, 194, 278, 289, 388, 556, 578, 776, 1112, 1156, 1649, 2312, 2363, 3298, 4726, 6596, 9452, 13192, 13483, 18904, 26966, 28033, 40171, 53932, 56066, 80342, 107864, 112132, 160684, 224264, 229211, 321368, 458422, 916844, 1833688, 3896587, 7793174, 15586348, 31172696]

約数ペア:

[(1, 31172696), (2, 15586348), (4, 7793174), (8, 3896587), (17, 1833688), (34, 916844), (68, 458422), (97, 321368), (136, 229211), (139, 224264), (194, 160684), (278, 112132), (289, 107864), (388, 80342), (556, 56066), (578, 53932), (776, 40171), (1112, 28033), (1156, 26966), (1649, 18904), (2312, 13483), (2363, 13192), (3298, 9452), (4726, 6596)]