123886256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 269774400

約数和(自身を除く): 145888144

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 73, 82, 104, 146, 164, 199, 208, 292, 328, 398, 533, 584, 656, 796, 949, 1066, 1168, 1592, 1898, 2132, 2587, 2993, 3184, 3796, 4264, 5174, 5986, 7592, 8159, 8528, 10348, 11972, 14527, 15184, 16318, 20696, 23944, 29054, 32636, 38909, 41392, 47888, 58108, 65272, 77818, 106067, 116216, 130544, 155636, 188851, 212134, 232432, 311272, 377702, 424268, 595607, 622544, 755404, 848536, 1191214, 1510808, 1697072, 2382428, 3021616, 4764856, 7742891, 9529712, 15485782, 30971564, 61943128, 123886256]

約数ペア:

[(1, 123886256), (2, 61943128), (4, 30971564), (8, 15485782), (13, 9529712), (16, 7742891), (26, 4764856), (41, 3021616), (52, 2382428), (73, 1697072), (82, 1510808), (104, 1191214), (146, 848536), (164, 755404), (199, 622544), (208, 595607), (292, 424268), (328, 377702), (398, 311272), (533, 232432), (584, 212134), (656, 188851), (796, 155636), (949, 130544), (1066, 116216), (1168, 106067), (1592, 77818), (1898, 65272), (2132, 58108), (2587, 47888), (2993, 41392), (3184, 38909), (3796, 32636), (4264, 29054), (5174, 23944), (5986, 20696), (7592, 16318), (8159, 15184), (8528, 14527), (10348, 11972)]