278538468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1785503}}^1$

素因数の和:1785523

約数の個数: 24

約数和(自身を含む): 699917568

約数和(自身を除く): 421379100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1785503, 3571006, 5356509, 7142012, 10713018, 21426036, 23211539, 46423078, 69634617, 92846156, 139269234, 278538468]

約数ペア:

[(1, 278538468), (2, 139269234), (3, 92846156), (4, 69634617), (6, 46423078), (12, 23211539), (13, 21426036), (26, 10713018), (39, 7142012), (52, 5356509), (78, 3571006), (156, 1785503)]