1864278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 4507776

約数和(自身を除く): 2643498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 257, 279, 403, 514, 558, 771, 806, 1209, 1542, 2313, 2418, 3341, 3627, 4626, 6682, 7254, 7967, 10023, 15934, 20046, 23901, 30069, 47802, 60138, 71703, 103571, 143406, 207142, 310713, 621426, 932139, 1864278]

約数ペア:

[(1, 1864278), (2, 932139), (3, 621426), (6, 310713), (9, 207142), (13, 143406), (18, 103571), (26, 71703), (31, 60138), (39, 47802), (62, 30069), (78, 23901), (93, 20046), (117, 15934), (186, 10023), (234, 7967), (257, 7254), (279, 6682), (403, 4626), (514, 3627), (558, 3341), (771, 2418), (806, 2313), (1209, 1542)]