64691276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1597}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 131547360

約数和(自身を除く): 66856084

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 1597, 2132, 3116, 3194, 6388, 10127, 20254, 20761, 30343, 40508, 41522, 60686, 65477, 83044, 121372, 130954, 261908, 394459, 788918, 851201, 1244063, 1577836, 1702402, 2488126, 3404804, 4976252, 16172819, 32345638, 64691276]

約数ペア:

[(1, 64691276), (2, 32345638), (4, 16172819), (13, 4976252), (19, 3404804), (26, 2488126), (38, 1702402), (41, 1577836), (52, 1244063), (76, 851201), (82, 788918), (164, 394459), (247, 261908), (494, 130954), (533, 121372), (779, 83044), (988, 65477), (1066, 60686), (1558, 41522), (1597, 40508), (2132, 30343), (3116, 20761), (3194, 20254), (6388, 10127)]