66442220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{607}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 150866688

約数和(自身を除く): 84424468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421, 607, 842, 1214, 1684, 2105, 2428, 3035, 4210, 5473, 6070, 7891, 8420, 10946, 12140, 15782, 21892, 27365, 31564, 39455, 54730, 78910, 109460, 157820, 255547, 511094, 1022188, 1277735, 2555470, 3322111, 5110940, 6644222, 13288444, 16610555, 33221110, 66442220]

約数ペア:

[(1, 66442220), (2, 33221110), (4, 16610555), (5, 13288444), (10, 6644222), (13, 5110940), (20, 3322111), (26, 2555470), (52, 1277735), (65, 1022188), (130, 511094), (260, 255547), (421, 157820), (607, 109460), (842, 78910), (1214, 54730), (1684, 39455), (2105, 31564), (2428, 27365), (3035, 21892), (4210, 15782), (5473, 12140), (6070, 10946), (7891, 8420)]