67814188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21379}}^1$

素因数の和:21457

約数の個数: 24

約数和(自身を含む): 129904880

約数和(自身を除く): 62090692

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 21379, 42758, 85516, 277927, 555854, 1111708, 1304119, 2608238, 5216476, 16953547, 33907094, 67814188]

約数ペア:

[(1, 67814188), (2, 33907094), (4, 16953547), (13, 5216476), (26, 2608238), (52, 1304119), (61, 1111708), (122, 555854), (244, 277927), (793, 85516), (1586, 42758), (3172, 21379)]