1285509628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 2456475840

約数和(自身を除く): 1170966212

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 389, 412, 617, 778, 1234, 1339, 1556, 2468, 2678, 5057, 5356, 8021, 10114, 16042, 20228, 32084, 40067, 63551, 80134, 127102, 160268, 240013, 254204, 480026, 520871, 826163, 960052, 1041742, 1652326, 2083484, 3120169, 3304652, 6240338, 12480676, 24721339, 49442678, 98885356, 321377407, 642754814, 1285509628]

約数ペア:

[(1, 1285509628), (2, 642754814), (4, 321377407), (13, 98885356), (26, 49442678), (52, 24721339), (103, 12480676), (206, 6240338), (389, 3304652), (412, 3120169), (617, 2083484), (778, 1652326), (1234, 1041742), (1339, 960052), (1556, 826163), (2468, 520871), (2678, 480026), (5057, 254204), (5356, 240013), (8021, 160268), (10114, 127102), (16042, 80134), (20228, 63551), (32084, 40067)]