2021291285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{2039}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 2656765440

約数和(自身を除く): 635474155

約数列:

[1, 5, 13, 65, 101, 151, 505, 755, 1313, 1963, 2039, 6565, 9815, 10195, 15251, 26507, 76255, 132535, 198263, 205939, 307889, 991315, 1029695, 1539445, 2677207, 4002557, 13386035, 20012785, 31096789, 155483945, 404258257, 2021291285]

約数ペア:

[(1, 2021291285), (5, 404258257), (13, 155483945), (65, 31096789), (101, 20012785), (151, 13386035), (505, 4002557), (755, 2677207), (1313, 1539445), (1963, 1029695), (2039, 991315), (6565, 307889), (9815, 205939), (10195, 198263), (15251, 132535), (26507, 76255)]