420820816

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8244

約数の個数: 60

約数和(自身を含む): 929464320

約数和(自身を除く): 508643504

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 494, 676, 988, 1352, 1976, 2704, 3211, 3952, 6422, 8191, 12844, 16382, 25688, 32764, 51376, 65528, 106483, 131056, 155629, 212966, 311258, 425932, 622516, 851864, 1245032, 1384279, 1703728, 2023177, 2490064, 2768558, 4046354, 5537116, 8092708, 11074232, 16185416, 22148464, 26301301, 32370832, 52602602, 105205204, 210410408, 420820816]

約数ペア:

[(1, 420820816), (2, 210410408), (4, 105205204), (8, 52602602), (13, 32370832), (16, 26301301), (19, 22148464), (26, 16185416), (38, 11074232), (52, 8092708), (76, 5537116), (104, 4046354), (152, 2768558), (169, 2490064), (208, 2023177), (247, 1703728), (304, 1384279), (338, 1245032), (494, 851864), (676, 622516), (988, 425932), (1352, 311258), (1976, 212966), (2704, 155629), (3211, 131056), (3952, 106483), (6422, 65528), (8191, 51376), (12844, 32764), (16382, 25688)]