256617384

素因数分解:

$2^3\times 3^1\times {\mathrm{601}}^1\times {\mathrm{17791}}^1$

素因数の和:18401

約数の個数: 32

約数和(自身を含む): 642647040

約数和(自身を除く): 386029656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 601, 1202, 1803, 2404, 3606, 4808, 7212, 14424, 17791, 35582, 53373, 71164, 106746, 142328, 213492, 426984, 10692391, 21384782, 32077173, 42769564, 64154346, 85539128, 128308692, 256617384]

約数ペア:

[(1, 256617384), (2, 128308692), (3, 85539128), (4, 64154346), (6, 42769564), (8, 32077173), (12, 21384782), (24, 10692391), (601, 426984), (1202, 213492), (1803, 142328), (2404, 106746), (3606, 71164), (4808, 53373), (7212, 35582), (14424, 17791)]