142780715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2707}}^1$

素因数の和:2867

約数の個数: 32

約数和(自身を含む): 215253504

約数和(自身を除く): 72472789

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1507, 2707, 4795, 7535, 10549, 13535, 18949, 29777, 52745, 94745, 148885, 208439, 370859, 1042195, 1854295, 2596013, 4079449, 12980065, 20397245, 28556143, 142780715]

約数ペア:

[(1, 142780715), (5, 28556143), (7, 20397245), (11, 12980065), (35, 4079449), (55, 2596013), (77, 1854295), (137, 1042195), (385, 370859), (685, 208439), (959, 148885), (1507, 94745), (2707, 52745), (4795, 29777), (7535, 18949), (10549, 13535)]