401278892

素因数分解:

$2^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{20983}}^1$

素因数の和:21677

約数の個数: 24

約数和(自身を含む): 803771136

約数和(自身を除く): 402492244

約数列:

[1, 2, 4, 7, 14, 28, 683, 1366, 2732, 4781, 9562, 19124, 20983, 41966, 83932, 146881, 293762, 587524, 14331389, 28662778, 57325556, 100319723, 200639446, 401278892]

約数ペア:

[(1, 401278892), (2, 200639446), (4, 100319723), (7, 57325556), (14, 28662778), (28, 14331389), (683, 587524), (1366, 293762), (2732, 146881), (4781, 83932), (9562, 41966), (19124, 20983)]