278840362

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{947}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 451308672

約数和(自身を除く): 172468310

約数列:

[1, 2, 23, 37, 46, 74, 173, 346, 851, 947, 1702, 1894, 3979, 6401, 7958, 12802, 21781, 35039, 43562, 70078, 147223, 163831, 294446, 327662, 805897, 1611794, 3768113, 6061747, 7536226, 12123494, 139420181, 278840362]

約数ペア:

[(1, 278840362), (2, 139420181), (23, 12123494), (37, 7536226), (46, 6061747), (74, 3768113), (173, 1611794), (346, 805897), (851, 327662), (947, 294446), (1702, 163831), (1894, 147223), (3979, 70078), (6401, 43562), (7958, 35039), (12802, 21781)]