212920408

素因数分解:

$2^3\times {\mathrm{1481}}^1\times {\mathrm{17971}}^1$

素因数の和:19458

約数の個数: 16

約数和(自身を含む): 399517560

約数和(自身を除く): 186597152

約数列:

[1, 2, 4, 8, 1481, 2962, 5924, 11848, 17971, 35942, 71884, 143768, 26615051, 53230102, 106460204, 212920408]

約数ペア:

[(1, 212920408), (2, 106460204), (4, 53230102), (8, 26615051), (1481, 143768), (2962, 71884), (5924, 35942), (11848, 17971)]