81988738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101723}}^1$

素因数の和:101769

約数の個数: 16

約数和(自身を含む): 136717056

約数和(自身を除く): 54728318

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 101723, 203446, 1322399, 2644798, 3153413, 6306826, 40994369, 81988738]

約数ペア:

[(1, 81988738), (2, 40994369), (13, 6306826), (26, 3153413), (31, 2644798), (62, 1322399), (403, 203446), (806, 101723)]