248913725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{631}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 319741440

約数和(自身を除く): 70827715

約数列:

[1, 5, 25, 31, 155, 509, 631, 775, 2545, 3155, 12725, 15775, 15779, 19561, 78895, 97805, 321179, 394475, 489025, 1605895, 8029475, 9956549, 49782745, 248913725]

約数ペア:

[(1, 248913725), (5, 49782745), (25, 9956549), (31, 8029475), (155, 1605895), (509, 489025), (631, 394475), (775, 321179), (2545, 97805), (3155, 78895), (12725, 19561), (15775, 15779)]