25686728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2819}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 51775200

約数和(自身を除く): 26088472

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 2819, 4556, 5638, 9112, 11276, 22552, 47923, 95846, 188873, 191692, 377746, 383384, 755492, 1510984, 3210841, 6421682, 12843364, 25686728]

約数ペア:

[(1, 25686728), (2, 12843364), (4, 6421682), (8, 3210841), (17, 1510984), (34, 755492), (67, 383384), (68, 377746), (134, 191692), (136, 188873), (268, 95846), (536, 47923), (1139, 22552), (2278, 11276), (2819, 9112), (4556, 5638)]