28894516

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7759}}^1$

素因数の和:7796

約数の個数: 36

約数和(自身を含む): 61924800

約数和(自身を除く): 33030284

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 7759, 15518, 31036, 54313, 108626, 147421, 217252, 294842, 380191, 589684, 760382, 1031947, 1520764, 2063894, 4127788, 7223629, 14447258, 28894516]

約数ペア:

[(1, 28894516), (2, 14447258), (4, 7223629), (7, 4127788), (14, 2063894), (19, 1520764), (28, 1031947), (38, 760382), (49, 589684), (76, 380191), (98, 294842), (133, 217252), (196, 147421), (266, 108626), (532, 54313), (931, 31036), (1862, 15518), (3724, 7759)]