1020797855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 1575687168

約数和(自身を除く): 554889313

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 197, 215, 301, 313, 385, 473, 985, 1379, 1505, 1565, 2167, 2191, 2365, 3311, 3443, 6895, 8471, 10835, 10955, 13459, 15169, 16555, 17215, 24101, 42355, 59297, 61661, 67295, 75845, 93181, 94213, 120505, 148049, 296485, 308305, 431627, 465905, 471065, 652267, 678271, 740245, 1036343, 2158135, 2651423, 3261335, 3391355, 4747897, 5181715, 13257115, 18559961, 23739485, 29165653, 92799805, 145828265, 204159571, 1020797855]

約数ペア:

[(1, 1020797855), (5, 204159571), (7, 145828265), (11, 92799805), (35, 29165653), (43, 23739485), (55, 18559961), (77, 13257115), (197, 5181715), (215, 4747897), (301, 3391355), (313, 3261335), (385, 2651423), (473, 2158135), (985, 1036343), (1379, 740245), (1505, 678271), (1565, 652267), (2167, 471065), (2191, 465905), (2365, 431627), (3311, 308305), (3443, 296485), (6895, 148049), (8471, 120505), (10835, 94213), (10955, 93181), (13459, 75845), (15169, 67295), (16555, 61661), (17215, 59297), (24101, 42355)]