155536885

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 218414592

約数和(自身を除く): 62877707

約数列:

[1, 5, 7, 35, 61, 263, 277, 305, 427, 1315, 1385, 1841, 1939, 2135, 9205, 9695, 16043, 16897, 72851, 80215, 84485, 112301, 118279, 364255, 509957, 561505, 591395, 2549785, 4443911, 22219555, 31107377, 155536885]

約数ペア:

[(1, 155536885), (5, 31107377), (7, 22219555), (35, 4443911), (61, 2549785), (263, 591395), (277, 561505), (305, 509957), (427, 364255), (1315, 118279), (1385, 112301), (1841, 84485), (1939, 80215), (2135, 72851), (9205, 16897), (9695, 16043)]