221344295

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 284981760

約数和(自身を除く): 63637465

約数列:

[1, 5, 23, 61, 115, 139, 227, 305, 695, 1135, 1403, 3197, 5221, 7015, 8479, 13847, 15985, 26105, 31553, 42395, 69235, 157765, 195017, 318481, 725719, 975085, 1592405, 1924733, 3628595, 9623665, 44268859, 221344295]

約数ペア:

[(1, 221344295), (5, 44268859), (23, 9623665), (61, 3628595), (115, 1924733), (139, 1592405), (227, 975085), (305, 725719), (695, 318481), (1135, 195017), (1403, 157765), (3197, 69235), (5221, 42395), (7015, 31553), (8479, 26105), (13847, 15985)]