72985913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4289}}^1$

素因数の和:4337

約数の個数: 32

約数和(自身を含む): 103783680

約数和(自身を除く): 30797767

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 4289, 17017, 30023, 47179, 55757, 72913, 330253, 390299, 510391, 613327, 802043, 947869, 4293289, 5614301, 6635083, 10426559, 72985913]

約数ペア:

[(1, 72985913), (7, 10426559), (11, 6635083), (13, 5614301), (17, 4293289), (77, 947869), (91, 802043), (119, 613327), (143, 510391), (187, 390299), (221, 330253), (1001, 72913), (1309, 55757), (1547, 47179), (2431, 30023), (4289, 17017)]