31815196

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 67916800

約数和(自身を除く): 36101604

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 757, 1106, 1501, 1514, 2212, 3002, 3028, 5299, 6004, 10507, 10598, 14383, 21014, 21196, 28766, 42028, 57532, 59803, 100681, 119606, 201362, 239212, 402724, 418621, 837242, 1136257, 1674484, 2272514, 4545028, 7953799, 15907598, 31815196]

約数ペア:

[(1, 31815196), (2, 15907598), (4, 7953799), (7, 4545028), (14, 2272514), (19, 1674484), (28, 1136257), (38, 837242), (76, 418621), (79, 402724), (133, 239212), (158, 201362), (266, 119606), (316, 100681), (532, 59803), (553, 57532), (757, 42028), (1106, 28766), (1501, 21196), (1514, 21014), (2212, 14383), (3002, 10598), (3028, 10507), (5299, 6004)]