222019985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 301999104

約数和(自身を除く): 79979119

約数列:

[1, 5, 11, 31, 55, 155, 197, 341, 661, 985, 1705, 2167, 3305, 6107, 7271, 10835, 20491, 30535, 36355, 67177, 102455, 130217, 225401, 335885, 651085, 1127005, 1432387, 4036727, 7161935, 20183635, 44403997, 222019985]

約数ペア:

[(1, 222019985), (5, 44403997), (11, 20183635), (31, 7161935), (55, 4036727), (155, 1432387), (197, 1127005), (341, 651085), (661, 335885), (985, 225401), (1705, 130217), (2167, 102455), (3305, 67177), (6107, 36355), (7271, 30535), (10835, 20491)]