28727530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1613}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 56128464

約数和(自身を除く): 27400934

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1613, 1781, 3226, 3562, 8065, 8905, 16130, 17810, 20969, 41938, 104845, 209690, 220981, 441962, 1104905, 2209810, 2872753, 5745506, 14363765, 28727530]

約数ペア:

[(1, 28727530), (2, 14363765), (5, 5745506), (10, 2872753), (13, 2209810), (26, 1104905), (65, 441962), (130, 220981), (137, 209690), (274, 104845), (685, 41938), (1370, 20969), (1613, 17810), (1781, 16130), (3226, 8905), (3562, 8065)]