1285190972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2027}}^1$

素因数の和:2270

約数の個数: 48

約数和(自身を含む): 2468400480

約数和(自身を除く): 1183209508

約数列:

[1, 2, 4, 13, 26, 52, 89, 137, 178, 274, 356, 548, 1157, 1781, 2027, 2314, 3562, 4054, 4628, 7124, 8108, 12193, 24386, 26351, 48772, 52702, 105404, 158509, 180403, 277699, 317018, 360806, 555398, 634036, 721612, 1110796, 2345239, 3610087, 4690478, 7220174, 9380956, 14440348, 24715211, 49430422, 98860844, 321297743, 642595486, 1285190972]

約数ペア:

[(1, 1285190972), (2, 642595486), (4, 321297743), (13, 98860844), (26, 49430422), (52, 24715211), (89, 14440348), (137, 9380956), (178, 7220174), (274, 4690478), (356, 3610087), (548, 2345239), (1157, 1110796), (1781, 721612), (2027, 634036), (2314, 555398), (3562, 360806), (4054, 317018), (4628, 277699), (7124, 180403), (8108, 158509), (12193, 105404), (24386, 52702), (26351, 48772)]