858777910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{41953}}^1$

素因数の和:42072

約数の個数: 32

約数和(自身を含む): 1631171520

約数和(自身を除く): 772393610

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 20470, 41953, 83906, 209765, 419530, 964919, 1929838, 3733817, 4824595, 7467634, 9649190, 18669085, 37338170, 85877791, 171755582, 429388955, 858777910]

約数ペア:

[(1, 858777910), (2, 429388955), (5, 171755582), (10, 85877791), (23, 37338170), (46, 18669085), (89, 9649190), (115, 7467634), (178, 4824595), (230, 3733817), (445, 1929838), (890, 964919), (2047, 419530), (4094, 209765), (10235, 83906), (20470, 41953)]