291207306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{12161}}^1$

素因数の和:12486

約数の個数: 32

約数和(自身を含む): 629310528

約数和(自身を除く): 338103222

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 921, 1842, 3991, 7982, 11973, 12161, 23946, 24322, 36483, 72966, 158093, 316186, 474279, 948558, 3733427, 7466854, 11200281, 22400562, 48534551, 97069102, 145603653, 291207306]

約数ペア:

[(1, 291207306), (2, 145603653), (3, 97069102), (6, 48534551), (13, 22400562), (26, 11200281), (39, 7466854), (78, 3733427), (307, 948558), (614, 474279), (921, 316186), (1842, 158093), (3991, 72966), (7982, 36483), (11973, 24322), (12161, 23946)]