1781135135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{4253}}^1$

素因数の和:4667

約数の個数: 32

約数和(自身を含む): 2444178240

約数和(自身を除く): 663043105

約数列:

[1, 5, 13, 17, 65, 85, 221, 379, 1105, 1895, 4253, 4927, 6443, 21265, 24635, 32215, 55289, 72301, 83759, 276445, 361505, 418795, 939913, 1611887, 4699565, 8059435, 20954531, 27402079, 104772655, 137010395, 356227027, 1781135135]

約数ペア:

[(1, 1781135135), (5, 356227027), (13, 137010395), (17, 104772655), (65, 27402079), (85, 20954531), (221, 8059435), (379, 4699565), (1105, 1611887), (1895, 939913), (4253, 418795), (4927, 361505), (6443, 276445), (21265, 83759), (24635, 72301), (32215, 55289)]