81087286

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 142336512

約数和(自身を除く): 61249226

約数列:

[1, 2, 7, 14, 67, 134, 137, 274, 469, 631, 938, 959, 1262, 1918, 4417, 8834, 9179, 18358, 42277, 64253, 84554, 86447, 128506, 172894, 295939, 591878, 605129, 1210258, 5791949, 11583898, 40543643, 81087286]

約数ペア:

[(1, 81087286), (2, 40543643), (7, 11583898), (14, 5791949), (67, 1210258), (134, 605129), (137, 591878), (274, 295939), (469, 172894), (631, 128506), (938, 86447), (959, 84554), (1262, 64253), (1918, 42277), (4417, 18358), (8834, 9179)]