128545746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11909}}^1$

素因数の和:12178

約数の個数: 32

約数和(自身を含む): 294986880

約数和(自身を除く): 166441134

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 3598, 5397, 10794, 11909, 23818, 35727, 71454, 83363, 166726, 250089, 500178, 3060613, 6121226, 9181839, 18363678, 21424291, 42848582, 64272873, 128545746]

約数ペア:

[(1, 128545746), (2, 64272873), (3, 42848582), (6, 21424291), (7, 18363678), (14, 9181839), (21, 6121226), (42, 3060613), (257, 500178), (514, 250089), (771, 166726), (1542, 83363), (1799, 71454), (3598, 35727), (5397, 23818), (10794, 11909)]