1285494028

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{72073}}^1$

素因数の和:72111

約数の個数: 48

約数和(自身を含む): 2825300800

約数和(自身を除く): 1539806772

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 2548, 4459, 8918, 17836, 72073, 144146, 288292, 504511, 936949, 1009022, 1873898, 2018044, 3531577, 3747796, 6558643, 7063154, 13117286, 14126308, 24721039, 26234572, 45910501, 49442078, 91821002, 98884156, 183642004, 321373507, 642747014, 1285494028]

約数ペア:

[(1, 1285494028), (2, 642747014), (4, 321373507), (7, 183642004), (13, 98884156), (14, 91821002), (26, 49442078), (28, 45910501), (49, 26234572), (52, 24721039), (91, 14126308), (98, 13117286), (182, 7063154), (196, 6558643), (343, 3747796), (364, 3531577), (637, 2018044), (686, 1873898), (1274, 1009022), (1372, 936949), (2548, 504511), (4459, 288292), (8918, 144146), (17836, 72073)]