399515324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{7481}}^1$

素因数の和:7590

約数の個数: 36

約数和(自身を含む): 766755360

約数和(自身を除く): 367240036

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 169, 316, 338, 676, 1027, 2054, 4108, 7481, 13351, 14962, 26702, 29924, 53404, 97253, 194506, 389012, 590999, 1181998, 1264289, 2363996, 2528578, 5057156, 7682987, 15365974, 30731948, 99878831, 199757662, 399515324]

約数ペア:

[(1, 399515324), (2, 199757662), (4, 99878831), (13, 30731948), (26, 15365974), (52, 7682987), (79, 5057156), (158, 2528578), (169, 2363996), (316, 1264289), (338, 1181998), (676, 590999), (1027, 389012), (2054, 194506), (4108, 97253), (7481, 53404), (13351, 29924), (14962, 26702)]