71689670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17789}}^1$

素因数の和:17840

約数の個数: 32

約数和(自身を含む): 143458560

約数和(自身を除く): 71768890

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 17789, 35578, 88945, 177890, 231257, 462514, 551459, 1102918, 1156285, 2312570, 2757295, 5514590, 7168967, 14337934, 35844835, 71689670]

約数ペア:

[(1, 71689670), (2, 35844835), (5, 14337934), (10, 7168967), (13, 5514590), (26, 2757295), (31, 2312570), (62, 1156285), (65, 1102918), (130, 551459), (155, 462514), (310, 231257), (403, 177890), (806, 88945), (2015, 35578), (4030, 17789)]