205123828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7937}}^1$

素因数の和:8032

約数の個数: 48

約数和(自身を含む): 448084224

約数和(自身を除く): 242960396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3692, 6461, 7937, 12922, 15874, 25844, 31748, 55559, 103181, 111118, 206362, 222236, 412724, 563527, 722267, 1127054, 1444534, 2254108, 2889068, 3944689, 7325851, 7889378, 14651702, 15778756, 29303404, 51280957, 102561914, 205123828]

約数ペア:

[(1, 205123828), (2, 102561914), (4, 51280957), (7, 29303404), (13, 15778756), (14, 14651702), (26, 7889378), (28, 7325851), (52, 3944689), (71, 2889068), (91, 2254108), (142, 1444534), (182, 1127054), (284, 722267), (364, 563527), (497, 412724), (923, 222236), (994, 206362), (1846, 111118), (1988, 103181), (3692, 55559), (6461, 31748), (7937, 25844), (12922, 15874)]