211345145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 283115520

約数和(自身を除く): 71770375

約数列:

[1, 5, 11, 55, 79, 127, 383, 395, 635, 869, 1397, 1915, 4213, 4345, 6985, 10033, 21065, 30257, 48641, 50165, 110363, 151285, 243205, 332827, 535051, 551815, 1664135, 2675255, 3842639, 19213195, 42269029, 211345145]

約数ペア:

[(1, 211345145), (5, 42269029), (11, 19213195), (55, 3842639), (79, 2675255), (127, 1664135), (383, 551815), (395, 535051), (635, 332827), (869, 243205), (1397, 151285), (1915, 110363), (4213, 50165), (4345, 48641), (6985, 30257), (10033, 21065)]