399714094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{853}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 658536480

約数和(自身を除く): 258822386

約数列:

[1, 2, 13, 26, 67, 134, 269, 538, 853, 871, 1706, 1742, 3497, 6994, 11089, 18023, 22178, 36046, 57151, 114302, 229457, 234299, 458914, 468598, 742963, 1485926, 2982941, 5965882, 15373619, 30747238, 199857047, 399714094]

約数ペア:

[(1, 399714094), (2, 199857047), (13, 30747238), (26, 15373619), (67, 5965882), (134, 2982941), (269, 1485926), (538, 742963), (853, 468598), (871, 458914), (1706, 234299), (1742, 229457), (3497, 114302), (6994, 57151), (11089, 36046), (18023, 22178)]