66572716

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{38977}}^1$

素因数の和:39049

約数の個数: 24

約数和(自身を含む): 135331616

約数和(自身を除く): 68758900

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 38977, 77954, 155908, 272839, 545678, 1091356, 2377597, 4755194, 9510388, 16643179, 33286358, 66572716]

約数ペア:

[(1, 66572716), (2, 33286358), (4, 16643179), (7, 9510388), (14, 4755194), (28, 2377597), (61, 1091356), (122, 545678), (244, 272839), (427, 155908), (854, 77954), (1708, 38977)]