678298313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 935608320

約数和(自身を除く): 257310007

約数列:

[1, 7, 11, 23, 29, 47, 77, 161, 203, 253, 281, 319, 329, 517, 667, 1081, 1363, 1771, 1967, 2233, 3091, 3619, 4669, 6463, 7337, 7567, 8149, 9541, 11891, 13207, 14993, 21637, 31349, 45241, 51359, 57043, 71093, 83237, 89639, 92449, 104951, 145277, 187427, 219443, 303761, 344839, 383003, 497651, 627473, 1016939, 1311989, 2061697, 2126327, 2413873, 2681021, 3341371, 4213033, 8809069, 14431879, 23389597, 29491231, 61663483, 96899759, 678298313]

約数ペア:

[(1, 678298313), (7, 96899759), (11, 61663483), (23, 29491231), (29, 23389597), (47, 14431879), (77, 8809069), (161, 4213033), (203, 3341371), (253, 2681021), (281, 2413873), (319, 2126327), (329, 2061697), (517, 1311989), (667, 1016939), (1081, 627473), (1363, 497651), (1771, 383003), (1967, 344839), (2233, 303761), (3091, 219443), (3619, 187427), (4669, 145277), (6463, 104951), (7337, 92449), (7567, 89639), (8149, 83237), (9541, 71093), (11891, 57043), (13207, 51359), (14993, 45241), (21637, 31349)]