27920368

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2905

約数の個数: 40

約数和(自身を含む): 62540640

約数和(自身を除く): 34620272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2801, 4984, 5602, 9968, 11204, 19607, 22408, 39214, 44816, 78428, 156856, 249289, 313712, 498578, 997156, 1745023, 1994312, 3490046, 3988624, 6980092, 13960184, 27920368]

約数ペア:

[(1, 27920368), (2, 13960184), (4, 6980092), (7, 3988624), (8, 3490046), (14, 1994312), (16, 1745023), (28, 997156), (56, 498578), (89, 313712), (112, 249289), (178, 156856), (356, 78428), (623, 44816), (712, 39214), (1246, 22408), (1424, 19607), (2492, 11204), (2801, 9968), (4984, 5602)]