66471964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 129548160

約数和(自身を除く): 63076196

約数列:

[1, 2, 4, 13, 26, 52, 53, 89, 106, 178, 212, 271, 356, 542, 689, 1084, 1157, 1378, 2314, 2756, 3523, 4628, 4717, 7046, 9434, 14092, 14363, 18868, 24119, 28726, 48238, 57452, 61321, 96476, 122642, 186719, 245284, 313547, 373438, 627094, 746876, 1254188, 1278307, 2556614, 5113228, 16617991, 33235982, 66471964]

約数ペア:

[(1, 66471964), (2, 33235982), (4, 16617991), (13, 5113228), (26, 2556614), (52, 1278307), (53, 1254188), (89, 746876), (106, 627094), (178, 373438), (212, 313547), (271, 245284), (356, 186719), (542, 122642), (689, 96476), (1084, 61321), (1157, 57452), (1378, 48238), (2314, 28726), (2756, 24119), (3523, 18868), (4628, 14363), (4717, 14092), (7046, 9434)]