128412735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40961}}^1$

素因数の和:40999

約数の個数: 32

約数和(自身を含む): 235941120

約数和(自身を除く): 107528385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 40961, 122883, 204805, 450571, 614415, 778259, 1351713, 2252855, 2334777, 3891295, 6758565, 8560849, 11673885, 25682547, 42804245, 128412735]

約数ペア:

[(1, 128412735), (3, 42804245), (5, 25682547), (11, 11673885), (15, 8560849), (19, 6758565), (33, 3891295), (55, 2334777), (57, 2252855), (95, 1351713), (165, 778259), (209, 614415), (285, 450571), (627, 204805), (1045, 122883), (3135, 40961)]