261665404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 108

約数和(自身を含む): 624246672

約数和(自身を除く): 362581268

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 169, 182, 242, 286, 308, 338, 364, 457, 484, 572, 676, 847, 914, 1001, 1183, 1573, 1694, 1828, 1859, 2002, 2366, 3146, 3199, 3388, 3718, 4004, 4732, 5027, 5941, 6292, 6398, 7436, 10054, 11011, 11882, 12796, 13013, 20108, 20449, 22022, 23764, 26026, 35189, 40898, 41587, 44044, 52052, 55297, 65351, 70378, 77233, 81796, 83174, 110594, 130702, 140756, 143143, 154466, 166348, 221188, 261404, 286286, 308932, 387079, 457457, 540631, 572572, 718861, 774158, 849563, 914914, 1081262, 1437722, 1548316, 1699126, 1829828, 2162524, 2875444, 3398252, 5032027, 5946941, 9345193, 10064054, 11893882, 18690386, 20128108, 23787764, 37380772, 65416351, 130832702, 261665404]

約数ペア:

[(1, 261665404), (2, 130832702), (4, 65416351), (7, 37380772), (11, 23787764), (13, 20128108), (14, 18690386), (22, 11893882), (26, 10064054), (28, 9345193), (44, 5946941), (52, 5032027), (77, 3398252), (91, 2875444), (121, 2162524), (143, 1829828), (154, 1699126), (169, 1548316), (182, 1437722), (242, 1081262), (286, 914914), (308, 849563), (338, 774158), (364, 718861), (457, 572572), (484, 540631), (572, 457457), (676, 387079), (847, 308932), (914, 286286), (1001, 261404), (1183, 221188), (1573, 166348), (1694, 154466), (1828, 143143), (1859, 140756), (2002, 130702), (2366, 110594), (3146, 83174), (3199, 81796), (3388, 77233), (3718, 70378), (4004, 65351), (4732, 55297), (5027, 52052), (5941, 44044), (6292, 41587), (6398, 40898), (7436, 35189), (10054, 26026), (11011, 23764), (11882, 22022), (12796, 20449), (13013, 20108)]