1390792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 2882880

約数和(自身を除く): 1492088

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 311, 344, 559, 622, 1118, 1244, 2236, 2488, 4043, 4472, 8086, 13373, 16172, 26746, 32344, 53492, 106984, 173849, 347698, 695396, 1390792]

約数ペア:

[(1, 1390792), (2, 695396), (4, 347698), (8, 173849), (13, 106984), (26, 53492), (43, 32344), (52, 26746), (86, 16172), (104, 13373), (172, 8086), (311, 4472), (344, 4043), (559, 2488), (622, 2236), (1118, 1244)]