27720848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 57421920

約数和(自身を除く): 29701072

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 1361, 2546, 2722, 5092, 5444, 10184, 10888, 20368, 21776, 25859, 51718, 91187, 103436, 182374, 206872, 364748, 413744, 729496, 1458992, 1732553, 3465106, 6930212, 13860424, 27720848]

約数ペア:

[(1, 27720848), (2, 13860424), (4, 6930212), (8, 3465106), (16, 1732553), (19, 1458992), (38, 729496), (67, 413744), (76, 364748), (134, 206872), (152, 182374), (268, 103436), (304, 91187), (536, 51718), (1072, 25859), (1273, 21776), (1361, 20368), (2546, 10888), (2722, 10184), (5092, 5444)]