81474370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{12953}}^1$

素因数の和:13014

約数の個数: 32

約数和(自身を含む): 159489648

約数和(自身を除く): 78015278

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 12953, 25906, 64765, 129530, 220201, 440402, 479261, 958522, 1101005, 2202010, 2396305, 4792610, 8147437, 16294874, 40737185, 81474370]

約数ペア:

[(1, 81474370), (2, 40737185), (5, 16294874), (10, 8147437), (17, 4792610), (34, 2396305), (37, 2202010), (74, 1101005), (85, 958522), (170, 479261), (185, 440402), (370, 220201), (629, 129530), (1258, 64765), (3145, 25906), (6290, 12953)]