72872215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 99046080

約数和(自身を除く): 26173865

約数列:

[1, 5, 13, 29, 65, 67, 145, 335, 377, 577, 871, 1885, 1943, 2885, 4355, 7501, 9715, 16733, 25259, 37505, 38659, 83665, 126295, 193295, 217529, 502567, 1087645, 1121111, 2512835, 5605555, 14574443, 72872215]

約数ペア:

[(1, 72872215), (5, 14574443), (13, 5605555), (29, 2512835), (65, 1121111), (67, 1087645), (145, 502567), (335, 217529), (377, 193295), (577, 126295), (871, 83665), (1885, 38659), (1943, 37505), (2885, 25259), (4355, 16733), (7501, 9715)]