258967956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 669247488

約数和(自身を除く): 410279532

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 103, 142, 156, 206, 213, 227, 284, 309, 412, 426, 454, 618, 681, 852, 908, 923, 1236, 1339, 1362, 1846, 2678, 2724, 2769, 2951, 3692, 4017, 5356, 5538, 5902, 7313, 8034, 8853, 11076, 11804, 14626, 16068, 16117, 17706, 21939, 23381, 29252, 32234, 35412, 43878, 46762, 48351, 64468, 70143, 87756, 93524, 95069, 96702, 140286, 190138, 193404, 209521, 280572, 285207, 303953, 380276, 419042, 570414, 607906, 628563, 838084, 911859, 1140828, 1215812, 1257126, 1660051, 1823718, 2514252, 3320102, 3647436, 4980153, 6640204, 9960306, 19920612, 21580663, 43161326, 64741989, 86322652, 129483978, 258967956]

約数ペア:

[(1, 258967956), (2, 129483978), (3, 86322652), (4, 64741989), (6, 43161326), (12, 21580663), (13, 19920612), (26, 9960306), (39, 6640204), (52, 4980153), (71, 3647436), (78, 3320102), (103, 2514252), (142, 1823718), (156, 1660051), (206, 1257126), (213, 1215812), (227, 1140828), (284, 911859), (309, 838084), (412, 628563), (426, 607906), (454, 570414), (618, 419042), (681, 380276), (852, 303953), (908, 285207), (923, 280572), (1236, 209521), (1339, 193404), (1362, 190138), (1846, 140286), (2678, 96702), (2724, 95069), (2769, 93524), (2951, 87756), (3692, 70143), (4017, 64468), (5356, 48351), (5538, 46762), (5902, 43878), (7313, 35412), (8034, 32234), (8853, 29252), (11076, 23381), (11804, 21939), (14626, 17706), (16068, 16117)]