2097650945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1\times {\mathrm{1979}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 2834092800

約数和(自身を除く): 736441855

約数列:

[1, 5, 13, 23, 65, 115, 299, 709, 1495, 1979, 3545, 9217, 9895, 16307, 25727, 45517, 46085, 81535, 128635, 211991, 227585, 591721, 1059955, 1403111, 2958605, 7015555, 18240443, 32271553, 91202215, 161357765, 419530189, 2097650945]

約数ペア:

[(1, 2097650945), (5, 419530189), (13, 161357765), (23, 91202215), (65, 32271553), (115, 18240443), (299, 7015555), (709, 2958605), (1495, 1403111), (1979, 1059955), (3545, 591721), (9217, 227585), (9895, 211991), (16307, 128635), (25727, 81535), (45517, 46085)]