156721012144

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{70468081}}^1$

素因数の和:70468228

約数の個数: 20

約数和(自身を含む): 305831475880

約数和(自身を除く): 149110463736

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 70468081, 140936162, 281872324, 563744648, 1127489296, 9795063259, 19590126518, 39180253036, 78360506072, 156721012144]

約数ペア:

[(1, 156721012144), (2, 78360506072), (4, 39180253036), (8, 19590126518), (16, 9795063259), (139, 1127489296), (278, 563744648), (556, 281872324), (1112, 140936162), (2224, 70468081)]