401980799996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{17911}}^1\times {\mathrm{136849}}^1$

素因数の和:154805

約数の個数: 24

約数和(自身を含む): 720669616800

約数和(自身を除く): 318688816804

約数列:

[1, 2, 4, 41, 82, 164, 17911, 35822, 71644, 136849, 273698, 547396, 734351, 1468702, 2937404, 5610809, 11221618, 22443236, 2451102439, 4902204878, 9804409756, 100495199999, 200990399998, 401980799996]

約数ペア:

[(1, 401980799996), (2, 200990399998), (4, 100495199999), (41, 9804409756), (82, 4902204878), (164, 2451102439), (17911, 22443236), (35822, 11221618), (71644, 5610809), (136849, 2937404), (273698, 1468702), (547396, 734351)]