31282128

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2116

約数の個数: 60

約数和(自身を含む): 88394020

約数和(自身を除く): 57111892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1744, 1962, 1993, 2616, 3924, 3986, 5232, 5979, 7848, 7972, 11958, 15696, 15944, 17937, 23916, 31888, 35874, 47832, 71748, 95664, 143496, 217237, 286992, 434474, 651711, 868948, 1303422, 1737896, 1955133, 2606844, 3475792, 3910266, 5213688, 7820532, 10427376, 15641064, 31282128]

約数ペア:

[(1, 31282128), (2, 15641064), (3, 10427376), (4, 7820532), (6, 5213688), (8, 3910266), (9, 3475792), (12, 2606844), (16, 1955133), (18, 1737896), (24, 1303422), (36, 868948), (48, 651711), (72, 434474), (109, 286992), (144, 217237), (218, 143496), (327, 95664), (436, 71748), (654, 47832), (872, 35874), (981, 31888), (1308, 23916), (1744, 17937), (1962, 15944), (1993, 15696), (2616, 11958), (3924, 7972), (3986, 7848), (5232, 5979)]