6640490645

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{2557}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 8363063808

約数和(自身を除く): 1722573163

約数列:

[1, 5, 43, 47, 215, 235, 257, 1285, 2021, 2557, 10105, 11051, 12079, 12785, 55255, 60395, 109951, 120179, 519397, 549755, 600895, 657149, 2596985, 3285745, 5167697, 25838485, 28257407, 30886003, 141287035, 154430015, 1328098129, 6640490645]

約数ペア:

[(1, 6640490645), (5, 1328098129), (43, 154430015), (47, 141287035), (215, 30886003), (235, 28257407), (257, 25838485), (1285, 5167697), (2021, 3285745), (2557, 2596985), (10105, 657149), (11051, 600895), (12079, 549755), (12785, 519397), (55255, 120179), (60395, 109951)]