505123216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{13417}}^1$

素因数の和:13619

約数の個数: 40

約数和(自身を含む): 1059860984

約数和(自身を除く): 554737768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 362, 724, 1448, 2353, 2896, 4706, 9412, 13417, 18824, 26834, 37648, 53668, 107336, 174421, 214672, 348842, 697684, 1395368, 2428477, 2790736, 4856954, 9713908, 19427816, 31570201, 38855632, 63140402, 126280804, 252561608, 505123216]

約数ペア:

[(1, 505123216), (2, 252561608), (4, 126280804), (8, 63140402), (13, 38855632), (16, 31570201), (26, 19427816), (52, 9713908), (104, 4856954), (181, 2790736), (208, 2428477), (362, 1395368), (724, 697684), (1448, 348842), (2353, 214672), (2896, 174421), (4706, 107336), (9412, 53668), (13417, 37648), (18824, 26834)]