311846639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 368793600

約数和(自身を除く): 56946961

約数列:

[1, 13, 19, 31, 139, 247, 293, 403, 589, 1807, 2641, 3809, 4309, 5567, 7657, 9083, 34333, 40727, 56017, 72371, 81871, 118079, 172577, 529451, 773813, 1064323, 1262537, 2243501, 10059569, 16412981, 23988203, 311846639]

約数ペア:

[(1, 311846639), (13, 23988203), (19, 16412981), (31, 10059569), (139, 2243501), (247, 1262537), (293, 1064323), (403, 773813), (589, 529451), (1807, 172577), (2641, 118079), (3809, 81871), (4309, 72371), (5567, 56017), (7657, 40727), (9083, 34333)]