127978618

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{42293}}^1$

素因数の和:42401

約数の個数: 16

約数和(自身を含む): 205548840

約数和(自身を除く): 77570222

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 42293, 84586, 718981, 1437962, 3764077, 7528154, 63989309, 127978618]

約数ペア:

[(1, 127978618), (2, 63989309), (17, 7528154), (34, 3764077), (89, 1437962), (178, 718981), (1513, 84586), (3026, 42293)]