313721005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 418489344

約数和(自身を除く): 104768339

約数列:

[1, 5, 13, 47, 65, 103, 235, 515, 611, 997, 1339, 3055, 4841, 4985, 6695, 12961, 24205, 46859, 62933, 64805, 102691, 234295, 314665, 513455, 609167, 1334983, 3045835, 4826477, 6674915, 24132385, 62744201, 313721005]

約数ペア:

[(1, 313721005), (5, 62744201), (13, 24132385), (47, 6674915), (65, 4826477), (103, 3045835), (235, 1334983), (515, 609167), (611, 513455), (997, 314665), (1339, 234295), (3055, 102691), (4841, 64805), (4985, 62933), (6695, 46859), (12961, 24205)]