72148643

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 90478080

約数和(自身を除く): 18329437

約数列:

[1, 7, 19, 41, 101, 131, 133, 287, 707, 779, 917, 1919, 2489, 4141, 5371, 5453, 13231, 13433, 17423, 28987, 37597, 78679, 92617, 102049, 251389, 542471, 550753, 714343, 1759723, 3797297, 10306949, 72148643]

約数ペア:

[(1, 72148643), (7, 10306949), (19, 3797297), (41, 1759723), (101, 714343), (131, 550753), (133, 542471), (287, 251389), (707, 102049), (779, 92617), (917, 78679), (1919, 37597), (2489, 28987), (4141, 17423), (5371, 13433), (5453, 13231)]