66550390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 123384960

約数和(自身を除く): 56834570

約数列:

[1, 2, 5, 10, 61, 79, 122, 158, 305, 395, 610, 790, 1381, 2762, 4819, 6905, 9638, 13810, 24095, 48190, 84241, 109099, 168482, 218198, 421205, 545495, 842410, 1090990, 6655039, 13310078, 33275195, 66550390]

約数ペア:

[(1, 66550390), (2, 33275195), (5, 13310078), (10, 6655039), (61, 1090990), (79, 842410), (122, 545495), (158, 421205), (305, 218198), (395, 168482), (610, 109099), (790, 84241), (1381, 48190), (2762, 24095), (4819, 13810), (6905, 9638)]