259149936656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{246569}}^1$

素因数の和:246784

約数の個数: 80

約数和(自身を含む): 561595722240

約数和(自身を除く): 302445785584

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 163, 208, 248, 326, 403, 496, 652, 806, 1304, 1612, 2119, 2608, 3224, 4238, 5053, 6448, 8476, 10106, 16952, 20212, 33904, 40424, 65689, 80848, 131378, 246569, 262756, 493138, 525512, 986276, 1051024, 1972552, 3205397, 3945104, 6410794, 7643639, 12821588, 15287278, 25643176, 30574556, 40190747, 51286352, 61149112, 80381494, 99367307, 122298224, 160762988, 198734614, 321525976, 397469228, 522479711, 643051952, 794938456, 1044959422, 1245913157, 1589876912, 2089918844, 2491826314, 4179837688, 4983652628, 8359675376, 9967305256, 16196871041, 19934610512, 32393742082, 64787484164, 129574968328, 259149936656]

約数ペア:

[(1, 259149936656), (2, 129574968328), (4, 64787484164), (8, 32393742082), (13, 19934610512), (16, 16196871041), (26, 9967305256), (31, 8359675376), (52, 4983652628), (62, 4179837688), (104, 2491826314), (124, 2089918844), (163, 1589876912), (208, 1245913157), (248, 1044959422), (326, 794938456), (403, 643051952), (496, 522479711), (652, 397469228), (806, 321525976), (1304, 198734614), (1612, 160762988), (2119, 122298224), (2608, 99367307), (3224, 80381494), (4238, 61149112), (5053, 51286352), (6448, 40190747), (8476, 30574556), (10106, 25643176), (16952, 15287278), (20212, 12821588), (33904, 7643639), (40424, 6410794), (65689, 3945104), (80848, 3205397), (131378, 1972552), (246569, 1051024), (262756, 986276), (493138, 525512)]