261567124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 592704000

約数和(自身を除く): 331136876

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 71, 91, 116, 142, 182, 203, 284, 349, 364, 377, 406, 497, 698, 754, 812, 923, 994, 1396, 1508, 1846, 1988, 2059, 2443, 2639, 3692, 4118, 4537, 4886, 5278, 6461, 8236, 9074, 9772, 10121, 10556, 12922, 14413, 18148, 20242, 24779, 25844, 26767, 28826, 31759, 40484, 49558, 53534, 57652, 63518, 70847, 99116, 107068, 127036, 131573, 141694, 173453, 187369, 263146, 283388, 322127, 346906, 374738, 526292, 644254, 693812, 718591, 749476, 921011, 1288508, 1437182, 1842022, 2254889, 2874364, 3684044, 4509778, 5030137, 9019556, 9341683, 10060274, 18683366, 20120548, 37366732, 65391781, 130783562, 261567124]

約数ペア:

[(1, 261567124), (2, 130783562), (4, 65391781), (7, 37366732), (13, 20120548), (14, 18683366), (26, 10060274), (28, 9341683), (29, 9019556), (52, 5030137), (58, 4509778), (71, 3684044), (91, 2874364), (116, 2254889), (142, 1842022), (182, 1437182), (203, 1288508), (284, 921011), (349, 749476), (364, 718591), (377, 693812), (406, 644254), (497, 526292), (698, 374738), (754, 346906), (812, 322127), (923, 283388), (994, 263146), (1396, 187369), (1508, 173453), (1846, 141694), (1988, 131573), (2059, 127036), (2443, 107068), (2639, 99116), (3692, 70847), (4118, 63518), (4537, 57652), (4886, 53534), (5278, 49558), (6461, 40484), (8236, 31759), (9074, 28826), (9772, 26767), (10121, 25844), (10556, 24779), (12922, 20242), (14413, 18148)]