167582740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{644549}}^1$

素因数の和:644571

約数の個数: 24

約数和(自身を含む): 378995400

約数和(自身を除く): 211412660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 644549, 1289098, 2578196, 3222745, 6445490, 8379137, 12890980, 16758274, 33516548, 41895685, 83791370, 167582740]

約数ペア:

[(1, 167582740), (2, 83791370), (4, 41895685), (5, 33516548), (10, 16758274), (13, 12890980), (20, 8379137), (26, 6445490), (52, 3222745), (65, 2578196), (130, 1289098), (260, 644549)]