81341468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 157301760

約数和(自身を除く): 75960292

約数列:

[1, 2, 4, 13, 26, 52, 109, 113, 127, 218, 226, 254, 436, 452, 508, 1417, 1469, 1651, 2834, 2938, 3302, 5668, 5876, 6604, 12317, 13843, 14351, 24634, 27686, 28702, 49268, 55372, 57404, 160121, 179959, 186563, 320242, 359918, 373126, 640484, 719836, 746252, 1564259, 3128518, 6257036, 20335367, 40670734, 81341468]

約数ペア:

[(1, 81341468), (2, 40670734), (4, 20335367), (13, 6257036), (26, 3128518), (52, 1564259), (109, 746252), (113, 719836), (127, 640484), (218, 373126), (226, 359918), (254, 320242), (436, 186563), (452, 179959), (508, 160121), (1417, 57404), (1469, 55372), (1651, 49268), (2834, 28702), (2938, 27686), (3302, 24634), (5668, 14351), (5876, 13843), (6604, 12317)]