712903745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 925876224

約数和(自身を除く): 212972479

約数列:

[1, 5, 23, 31, 115, 155, 311, 643, 713, 1555, 3215, 3565, 7153, 9641, 14789, 19933, 35765, 48205, 73945, 99665, 199973, 221743, 458459, 999865, 1108715, 2292295, 4599379, 6199163, 22996895, 30995815, 142580749, 712903745]

約数ペア:

[(1, 712903745), (5, 142580749), (23, 30995815), (31, 22996895), (115, 6199163), (155, 4599379), (311, 2292295), (643, 1108715), (713, 999865), (1555, 458459), (3215, 221743), (3565, 199973), (7153, 99665), (9641, 73945), (14789, 48205), (19933, 35765)]