31455697

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 12210863

約数列:

[1, 7, 13, 19, 23, 49, 91, 113, 133, 161, 247, 299, 437, 637, 791, 931, 1127, 1469, 1729, 2093, 2147, 2599, 3059, 5537, 5681, 10283, 12103, 14651, 15029, 18193, 21413, 27911, 33787, 39767, 49381, 71981, 105203, 127351, 195377, 236509, 278369, 345667, 641953, 1367639, 1655563, 2419669, 4493671, 31455697]

約数ペア:

[(1, 31455697), (7, 4493671), (13, 2419669), (19, 1655563), (23, 1367639), (49, 641953), (91, 345667), (113, 278369), (133, 236509), (161, 195377), (247, 127351), (299, 105203), (437, 71981), (637, 49381), (791, 39767), (931, 33787), (1127, 27911), (1469, 21413), (1729, 18193), (2093, 15029), (2147, 14651), (2599, 12103), (3059, 10283), (5537, 5681)]