39640454

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 71318016

約数和(自身を除く): 31677562

約数列:

[1, 2, 7, 14, 23, 46, 161, 307, 322, 401, 614, 802, 2149, 2807, 4298, 5614, 7061, 9223, 14122, 18446, 49427, 64561, 98854, 123107, 129122, 246214, 861749, 1723498, 2831461, 5662922, 19820227, 39640454]

約数ペア:

[(1, 39640454), (2, 19820227), (7, 5662922), (14, 2831461), (23, 1723498), (46, 861749), (161, 246214), (307, 129122), (322, 123107), (401, 98854), (614, 64561), (802, 49427), (2149, 18446), (2807, 14122), (4298, 9223), (5614, 7061)]