251017417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 315187200

約数和(自身を除く): 64169783

約数列:

[1, 7, 19, 29, 133, 151, 203, 431, 551, 1057, 2869, 3017, 3857, 4379, 8189, 12499, 20083, 30653, 57323, 65081, 83201, 87493, 237481, 455567, 582407, 1236539, 1662367, 1887349, 8655773, 13211443, 35859631, 251017417]

約数ペア:

[(1, 251017417), (7, 35859631), (19, 13211443), (29, 8655773), (133, 1887349), (151, 1662367), (203, 1236539), (431, 582407), (551, 455567), (1057, 237481), (2869, 87493), (3017, 83201), (3857, 65081), (4379, 57323), (8189, 30653), (12499, 20083)]