1012721905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{739}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 1357574400

約数和(自身を除く): 344852495

約数列:

[1, 5, 13, 29, 65, 145, 377, 727, 739, 1885, 3635, 3695, 9451, 9607, 21083, 21431, 47255, 48035, 105415, 107155, 274079, 278603, 537253, 1370395, 1393015, 2686265, 6984289, 15580337, 34921445, 77901685, 202544381, 1012721905]

約数ペア:

[(1, 1012721905), (5, 202544381), (13, 77901685), (29, 34921445), (65, 15580337), (145, 6984289), (377, 2686265), (727, 1393015), (739, 1370395), (1885, 537253), (3635, 278603), (3695, 274079), (9451, 107155), (9607, 105415), (21083, 48035), (21431, 47255)]