388957244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{111641}}^1$

素因数の和:111725

約数の個数: 24

約数和(自身を含む): 743982288

約数和(自身を除く): 355025044

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 111641, 223282, 446564, 1451333, 2902666, 5805332, 7479947, 14959894, 29919788, 97239311, 194478622, 388957244]

約数ペア:

[(1, 388957244), (2, 194478622), (4, 97239311), (13, 29919788), (26, 14959894), (52, 7479947), (67, 5805332), (134, 2902666), (268, 1451333), (871, 446564), (1742, 223282), (3484, 111641)]