649464088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20747}}^1$

素因数の和:20816

約数の個数: 64

約数和(自身を含む): 1533692160

約数和(自身を除く): 884228072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 1118, 1204, 2236, 2408, 3913, 4472, 7826, 15652, 20747, 31304, 41494, 82988, 145229, 165976, 269711, 290458, 539422, 580916, 892121, 1078844, 1161832, 1784242, 1887977, 2157688, 3568484, 3775954, 6244847, 7136968, 7551908, 11597573, 12489694, 15103816, 23195146, 24979388, 46390292, 49958776, 81183011, 92780584, 162366022, 324732044, 649464088]

約数ペア:

[(1, 649464088), (2, 324732044), (4, 162366022), (7, 92780584), (8, 81183011), (13, 49958776), (14, 46390292), (26, 24979388), (28, 23195146), (43, 15103816), (52, 12489694), (56, 11597573), (86, 7551908), (91, 7136968), (104, 6244847), (172, 3775954), (182, 3568484), (301, 2157688), (344, 1887977), (364, 1784242), (559, 1161832), (602, 1078844), (728, 892121), (1118, 580916), (1204, 539422), (2236, 290458), (2408, 269711), (3913, 165976), (4472, 145229), (7826, 82988), (15652, 41494), (20747, 31304)]