87696217

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^2$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 111355776

約数和(自身を除く): 23659559

約数列:

[1, 7, 17, 23, 119, 161, 179, 391, 1253, 2737, 3043, 4117, 21301, 28819, 32041, 69989, 224287, 489923, 544697, 736943, 3812879, 5158601, 12528031, 87696217]

約数ペア:

[(1, 87696217), (7, 12528031), (17, 5158601), (23, 3812879), (119, 736943), (161, 544697), (179, 489923), (391, 224287), (1253, 69989), (2737, 32041), (3043, 28819), (4117, 21301)]