163972340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171231}}^1$

素因数の和:1171247

約数の個数: 24

約数和(自身を含む): 393533952

約数和(自身を除く): 229561612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171231, 2342462, 4684924, 5856155, 8198617, 11712310, 16397234, 23424620, 32794468, 40993085, 81986170, 163972340]

約数ペア:

[(1, 163972340), (2, 81986170), (4, 40993085), (5, 32794468), (7, 23424620), (10, 16397234), (14, 11712310), (20, 8198617), (28, 5856155), (35, 4684924), (70, 2342462), (140, 1171231)]