27881564

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 52607520

約数和(自身を除く): 24725956

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 271, 289, 356, 542, 578, 1084, 1156, 1513, 3026, 4607, 6052, 9214, 18428, 24119, 25721, 48238, 51442, 78319, 96476, 102884, 156638, 313276, 410023, 820046, 1640092, 6970391, 13940782, 27881564]

約数ペア:

[(1, 27881564), (2, 13940782), (4, 6970391), (17, 1640092), (34, 820046), (68, 410023), (89, 313276), (178, 156638), (271, 102884), (289, 96476), (356, 78319), (542, 51442), (578, 48238), (1084, 25721), (1156, 24119), (1513, 18428), (3026, 9214), (4607, 6052)]