221388104

素因数分解:

$2^3\times 7^1\times {\mathrm{887}}^1\times {\mathrm{4457}}^1$

素因数の和:5357

約数の個数: 32

約数和(自身を含む): 475044480

約数和(自身を除く): 253656376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 887, 1774, 3548, 4457, 6209, 7096, 8914, 12418, 17828, 24836, 31199, 35656, 49672, 62398, 124796, 249592, 3953359, 7906718, 15813436, 27673513, 31626872, 55347026, 110694052, 221388104]

約数ペア:

[(1, 221388104), (2, 110694052), (4, 55347026), (7, 31626872), (8, 27673513), (14, 15813436), (28, 7906718), (56, 3953359), (887, 249592), (1774, 124796), (3548, 62398), (4457, 49672), (6209, 35656), (7096, 31199), (8914, 24836), (12418, 17828)]