219956386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{83761}}^1$

素因数の和:83877

約数の個数: 16

約数和(自身を含む): 358836408

約数和(自身を除く): 138880022

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 83761, 167522, 1088893, 2177786, 8459861, 16919722, 109978193, 219956386]

約数ペア:

[(1, 219956386), (2, 109978193), (13, 16919722), (26, 8459861), (101, 2177786), (202, 1088893), (1313, 167522), (2626, 83761)]