12989828

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 23331840

約数和(自身を除く): 10342012

約数列:

[1, 2, 4, 61, 122, 139, 244, 278, 383, 556, 766, 1532, 8479, 16958, 23363, 33916, 46726, 53237, 93452, 106474, 212948, 3247457, 6494914, 12989828]

約数ペア:

[(1, 12989828), (2, 6494914), (4, 3247457), (61, 212948), (122, 106474), (139, 93452), (244, 53237), (278, 46726), (383, 33916), (556, 23363), (766, 16958), (1532, 8479)]