988864330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2671

約数の個数: 64

約数和(自身を含む): 1975104000

約数和(自身を除く): 986239670

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 79, 85, 145, 158, 170, 290, 395, 493, 790, 986, 1343, 2291, 2465, 2539, 2686, 4582, 4930, 5078, 6715, 11455, 12695, 13430, 22910, 25390, 38947, 43163, 73631, 77894, 86326, 147262, 194735, 200581, 215815, 368155, 389470, 401162, 431630, 736310, 1002905, 1251727, 2005810, 2503454, 3409877, 5816849, 6258635, 6819754, 11633698, 12517270, 17049385, 29084245, 34098770, 58168490, 98886433, 197772866, 494432165, 988864330]

約数ペア:

[(1, 988864330), (2, 494432165), (5, 197772866), (10, 98886433), (17, 58168490), (29, 34098770), (34, 29084245), (58, 17049385), (79, 12517270), (85, 11633698), (145, 6819754), (158, 6258635), (170, 5816849), (290, 3409877), (395, 2503454), (493, 2005810), (790, 1251727), (986, 1002905), (1343, 736310), (2291, 431630), (2465, 401162), (2539, 389470), (2686, 368155), (4582, 215815), (4930, 200581), (5078, 194735), (6715, 147262), (11455, 86326), (12695, 77894), (13430, 73631), (22910, 43163), (25390, 38947)]