261722214

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{10453}}^1$

素因数の和:10581

約数の個数: 48

約数和(自身を含む): 616451472

約数和(自身を除く): 354729258

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 107, 117, 214, 234, 321, 642, 963, 1391, 1926, 2782, 4173, 8346, 10453, 12519, 20906, 25038, 31359, 62718, 94077, 135889, 188154, 271778, 407667, 815334, 1118471, 1223001, 2236942, 2446002, 3355413, 6710826, 10066239, 14540123, 20132478, 29080246, 43620369, 87240738, 130861107, 261722214]

約数ペア:

[(1, 261722214), (2, 130861107), (3, 87240738), (6, 43620369), (9, 29080246), (13, 20132478), (18, 14540123), (26, 10066239), (39, 6710826), (78, 3355413), (107, 2446002), (117, 2236942), (214, 1223001), (234, 1118471), (321, 815334), (642, 407667), (963, 271778), (1391, 188154), (1926, 135889), (2782, 94077), (4173, 62718), (8346, 31359), (10453, 25038), (12519, 20906)]