165979610

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{1249}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 304290000

約数和(自身を除く): 138310390

約数列:

[1, 2, 5, 10, 97, 137, 194, 274, 485, 685, 970, 1249, 1370, 2498, 6245, 12490, 13289, 26578, 66445, 121153, 132890, 171113, 242306, 342226, 605765, 855565, 1211530, 1711130, 16597961, 33195922, 82989805, 165979610]

約数ペア:

[(1, 165979610), (2, 82989805), (5, 33195922), (10, 16597961), (97, 1711130), (137, 1211530), (194, 855565), (274, 605765), (485, 342226), (685, 242306), (970, 171113), (1249, 132890), (1370, 121153), (2498, 66445), (6245, 26578), (12490, 13289)]