289105856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8081}}^1$

素因数の和:8149

約数の個数: 56

約数和(自身を含む): 632271024

約数和(自身を除く): 343165168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 2236, 2752, 4472, 8081, 8944, 16162, 17888, 32324, 35776, 64648, 105053, 129296, 210106, 258592, 347483, 420212, 517184, 694966, 840424, 1389932, 1680848, 2779864, 3361696, 4517279, 5559728, 6723392, 9034558, 11119456, 18069116, 22238912, 36138232, 72276464, 144552928, 289105856]

約数ペア:

[(1, 289105856), (2, 144552928), (4, 72276464), (8, 36138232), (13, 22238912), (16, 18069116), (26, 11119456), (32, 9034558), (43, 6723392), (52, 5559728), (64, 4517279), (86, 3361696), (104, 2779864), (172, 1680848), (208, 1389932), (344, 840424), (416, 694966), (559, 517184), (688, 420212), (832, 347483), (1118, 258592), (1376, 210106), (2236, 129296), (2752, 105053), (4472, 64648), (8081, 35776), (8944, 32324), (16162, 17888)]