1259406

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 2940288

約数和(自身を除く): 1680882

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 61, 62, 74, 93, 111, 122, 183, 186, 222, 279, 333, 366, 549, 558, 666, 1098, 1147, 1891, 2257, 2294, 3441, 3782, 4514, 5673, 6771, 6882, 10323, 11346, 13542, 17019, 20313, 20646, 34038, 40626, 69967, 139934, 209901, 419802, 629703, 1259406]

約数ペア:

[(1, 1259406), (2, 629703), (3, 419802), (6, 209901), (9, 139934), (18, 69967), (31, 40626), (37, 34038), (61, 20646), (62, 20313), (74, 17019), (93, 13542), (111, 11346), (122, 10323), (183, 6882), (186, 6771), (222, 5673), (279, 4514), (333, 3782), (366, 3441), (549, 2294), (558, 2257), (666, 1891), (1098, 1147)]