212213812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{15427}}^1$

素因数の和:15631

約数の個数: 24

約数和(自身を含む): 393105440

約数和(自身を除く): 180891628

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 3439, 6878, 13756, 15427, 30854, 61708, 293113, 586226, 1172452, 2792287, 5584574, 11169148, 53053453, 106106906, 212213812]

約数ペア:

[(1, 212213812), (2, 106106906), (4, 53053453), (19, 11169148), (38, 5584574), (76, 2792287), (181, 1172452), (362, 586226), (724, 293113), (3439, 61708), (6878, 30854), (13756, 15427)]