399331384

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{911}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 756504000

約数和(自身を除く): 357172616

約数列:

[1, 2, 4, 8, 157, 314, 349, 628, 698, 911, 1256, 1396, 1822, 2792, 3644, 7288, 54793, 109586, 143027, 219172, 286054, 317939, 438344, 572108, 635878, 1144216, 1271756, 2543512, 49916423, 99832846, 199665692, 399331384]

約数ペア:

[(1, 399331384), (2, 199665692), (4, 99832846), (8, 49916423), (157, 2543512), (314, 1271756), (349, 1144216), (628, 635878), (698, 572108), (911, 438344), (1256, 317939), (1396, 286054), (1822, 219172), (2792, 143027), (3644, 109586), (7288, 54793)]