677980810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{4021}}^1$

素因数の和:5338

約数の個数: 32

約数和(自身を含む): 1315580112

約数和(自身を除く): 637599302

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1297, 2594, 4021, 6485, 8042, 12970, 16861, 20105, 33722, 40210, 52273, 84305, 104546, 168610, 261365, 522730, 5215237, 10430474, 26076185, 52152370, 67798081, 135596162, 338990405, 677980810]

約数ペア:

[(1, 677980810), (2, 338990405), (5, 135596162), (10, 67798081), (13, 52152370), (26, 26076185), (65, 10430474), (130, 5215237), (1297, 522730), (2594, 261365), (4021, 168610), (6485, 104546), (8042, 84305), (12970, 52273), (16861, 40210), (20105, 33722)]