40001948

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21323}}^1$

素因数の和:21401

約数の個数: 24

約数和(自身を含む): 81201792

約数和(自身を除く): 41199844

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21323, 42646, 85292, 149261, 298522, 597044, 1428641, 2857282, 5714564, 10000487, 20000974, 40001948]

約数ペア:

[(1, 40001948), (2, 20000974), (4, 10000487), (7, 5714564), (14, 2857282), (28, 1428641), (67, 597044), (134, 298522), (268, 149261), (469, 85292), (938, 42646), (1876, 21323)]