64501276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 136604160

約数和(自身を除く): 72102884

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 263, 266, 461, 526, 532, 922, 1052, 1841, 1844, 3227, 3682, 4997, 6454, 7364, 8759, 9994, 12908, 17518, 19988, 34979, 35036, 61313, 69958, 121243, 122626, 139916, 242486, 245252, 484972, 848701, 1697402, 2303617, 3394804, 4607234, 9214468, 16125319, 32250638, 64501276]

約数ペア:

[(1, 64501276), (2, 32250638), (4, 16125319), (7, 9214468), (14, 4607234), (19, 3394804), (28, 2303617), (38, 1697402), (76, 848701), (133, 484972), (263, 245252), (266, 242486), (461, 139916), (526, 122626), (532, 121243), (922, 69958), (1052, 61313), (1841, 35036), (1844, 34979), (3227, 19988), (3682, 17518), (4997, 12908), (6454, 9994), (7364, 8759)]