1388390028

素因数分解:

$2^2\times 3^1\times {\mathrm{347}}^1\times {\mathrm{333427}}^1$

素因数の和:333781

約数の個数: 24

約数和(自身を含む): 3248922432

約数和(自身を除く): 1860532404

約数列:

[1, 2, 3, 4, 6, 12, 347, 694, 1041, 1388, 2082, 4164, 333427, 666854, 1000281, 1333708, 2000562, 4001124, 115699169, 231398338, 347097507, 462796676, 694195014, 1388390028]

約数ペア:

[(1, 1388390028), (2, 694195014), (3, 462796676), (4, 347097507), (6, 231398338), (12, 115699169), (347, 4001124), (694, 2000562), (1041, 1333708), (1388, 1000281), (2082, 666854), (4164, 333427)]