81888236

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{4751}}^1$

素因数の和:4925

約数の個数: 24

約数和(自身を含む): 149022720

約数和(自身を除く): 67134484

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 4309, 4751, 8618, 9502, 17236, 19004, 147281, 294562, 589124, 660389, 1320778, 2641556, 20472059, 40944118, 81888236]

約数ペア:

[(1, 81888236), (2, 40944118), (4, 20472059), (31, 2641556), (62, 1320778), (124, 660389), (139, 589124), (278, 294562), (556, 147281), (4309, 19004), (4751, 17236), (8618, 9502)]