2581178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{853}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 4150440

約数和(自身を除く): 1569262

約数列:

[1, 2, 17, 34, 89, 178, 853, 1513, 1706, 3026, 14501, 29002, 75917, 151834, 1290589, 2581178]

約数ペア:

[(1, 2581178), (2, 1290589), (17, 151834), (34, 75917), (89, 29002), (178, 14501), (853, 3026), (1513, 1706)]