388546938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1660457}}^1$

素因数の和:1660478

約数の個数: 24

約数和(自身を含む): 906610068

約数和(自身を除く): 518063130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1660457, 3320914, 4981371, 9962742, 14944113, 21585941, 29888226, 43171882, 64757823, 129515646, 194273469, 388546938]

約数ペア:

[(1, 388546938), (2, 194273469), (3, 129515646), (6, 64757823), (9, 43171882), (13, 29888226), (18, 21585941), (26, 14944113), (39, 9962742), (78, 4981371), (117, 3320914), (234, 1660457)]