221975545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1193}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 309484800

約数和(自身を除く): 87509255

約数列:

[1, 5, 11, 17, 55, 85, 187, 199, 935, 995, 1193, 2189, 3383, 5965, 10945, 13123, 16915, 20281, 37213, 65615, 101405, 186065, 223091, 237407, 1115455, 1187035, 2611477, 4035919, 13057385, 20179595, 44395109, 221975545]

約数ペア:

[(1, 221975545), (5, 44395109), (11, 20179595), (17, 13057385), (55, 4035919), (85, 2611477), (187, 1187035), (199, 1115455), (935, 237407), (995, 223091), (1193, 186065), (2189, 101405), (3383, 65615), (5965, 37213), (10945, 20281), (13123, 16915)]