61391718

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 138153600

約数和(自身を除く): 76761882

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 269, 279, 409, 538, 558, 807, 818, 1227, 1614, 2421, 2454, 3681, 4842, 7362, 8339, 12679, 16678, 25017, 25358, 38037, 50034, 75051, 76074, 110021, 114111, 150102, 220042, 228222, 330063, 660126, 990189, 1980378, 3410651, 6821302, 10231953, 20463906, 30695859, 61391718]

約数ペア:

[(1, 61391718), (2, 30695859), (3, 20463906), (6, 10231953), (9, 6821302), (18, 3410651), (31, 1980378), (62, 990189), (93, 660126), (186, 330063), (269, 228222), (279, 220042), (409, 150102), (538, 114111), (558, 110021), (807, 76074), (818, 75051), (1227, 50034), (1614, 38037), (2421, 25358), (2454, 25017), (3681, 16678), (4842, 12679), (7362, 8339)]