128971924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{21481}}^1$

素因数の和:21583

約数の個数: 24

約数和(自身を含む): 240598400

約数和(自身を除く): 111626476

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 6004, 21481, 42962, 85924, 408139, 816278, 1632556, 1696999, 3393998, 6787996, 32242981, 64485962, 128971924]

約数ペア:

[(1, 128971924), (2, 64485962), (4, 32242981), (19, 6787996), (38, 3393998), (76, 1696999), (79, 1632556), (158, 816278), (316, 408139), (1501, 85924), (3002, 42962), (6004, 21481)]