22129778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 37540800

約数和(自身を除く): 15411022

約数列:

[1, 2, 11, 22, 43, 86, 149, 157, 298, 314, 473, 946, 1639, 1727, 3278, 3454, 6407, 6751, 12814, 13502, 23393, 46786, 70477, 74261, 140954, 148522, 257323, 514646, 1005899, 2011798, 11064889, 22129778]

約数ペア:

[(1, 22129778), (2, 11064889), (11, 2011798), (22, 1005899), (43, 514646), (86, 257323), (149, 148522), (157, 140954), (298, 74261), (314, 70477), (473, 46786), (946, 23393), (1639, 13502), (1727, 12814), (3278, 6751), (3454, 6407)]