181521844

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 370476288

約数和(自身を除く): 188954444

約数列:

[1, 2, 4, 7, 14, 28, 103, 113, 206, 226, 412, 452, 557, 721, 791, 1114, 1442, 1582, 2228, 2884, 3164, 3899, 7798, 11639, 15596, 23278, 46556, 57371, 62941, 81473, 114742, 125882, 162946, 229484, 251764, 325892, 401597, 440587, 803194, 881174, 1606388, 1762348, 6482923, 12965846, 25931692, 45380461, 90760922, 181521844]

約数ペア:

[(1, 181521844), (2, 90760922), (4, 45380461), (7, 25931692), (14, 12965846), (28, 6482923), (103, 1762348), (113, 1606388), (206, 881174), (226, 803194), (412, 440587), (452, 401597), (557, 325892), (721, 251764), (791, 229484), (1114, 162946), (1442, 125882), (1582, 114742), (2228, 81473), (2884, 62941), (3164, 57371), (3899, 46556), (7798, 23278), (11639, 15596)]