31307172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 79488192

約数和(自身を除く): 48181020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 156, 202, 303, 404, 606, 1212, 1313, 1987, 2626, 3939, 3974, 5252, 5961, 7878, 7948, 11922, 15756, 23844, 25831, 51662, 77493, 103324, 154986, 200687, 309972, 401374, 602061, 802748, 1204122, 2408244, 2608931, 5217862, 7826793, 10435724, 15653586, 31307172]

約数ペア:

[(1, 31307172), (2, 15653586), (3, 10435724), (4, 7826793), (6, 5217862), (12, 2608931), (13, 2408244), (26, 1204122), (39, 802748), (52, 602061), (78, 401374), (101, 309972), (156, 200687), (202, 154986), (303, 103324), (404, 77493), (606, 51662), (1212, 25831), (1313, 23844), (1987, 15756), (2626, 11922), (3939, 7948), (3974, 7878), (5252, 5961)]