139648210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7841}}^1$

素因数の和:7998

約数の個数: 32

約数和(自身を含む): 272713392

約数和(自身を除く): 133065182

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1781, 3562, 7841, 8905, 15682, 17810, 39205, 78410, 101933, 203866, 509665, 1019330, 1074217, 2148434, 5371085, 10742170, 13964821, 27929642, 69824105, 139648210]

約数ペア:

[(1, 139648210), (2, 69824105), (5, 27929642), (10, 13964821), (13, 10742170), (26, 5371085), (65, 2148434), (130, 1074217), (137, 1019330), (274, 509665), (685, 203866), (1370, 101933), (1781, 78410), (3562, 39205), (7841, 17810), (8905, 15682)]