68323450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 137725560

約数和(自身を除く): 69402110

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 257, 325, 409, 514, 650, 818, 1285, 2045, 2570, 3341, 4090, 5317, 6425, 6682, 10225, 10634, 12850, 16705, 20450, 26585, 33410, 53170, 83525, 105113, 132925, 167050, 210226, 265850, 525565, 1051130, 1366469, 2627825, 2732938, 5255650, 6832345, 13664690, 34161725, 68323450]

約数ペア:

[(1, 68323450), (2, 34161725), (5, 13664690), (10, 6832345), (13, 5255650), (25, 2732938), (26, 2627825), (50, 1366469), (65, 1051130), (130, 525565), (257, 265850), (325, 210226), (409, 167050), (514, 132925), (650, 105113), (818, 83525), (1285, 53170), (2045, 33410), (2570, 26585), (3341, 20450), (4090, 16705), (5317, 12850), (6425, 10634), (6682, 10225)]