171407990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42533}}^1$

素因数の和:42584

約数の個数: 32

約数和(自身を含む): 342994176

約数和(自身を除く): 171586186

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 42533, 85066, 212665, 425330, 552929, 1105858, 1318523, 2637046, 2764645, 5529290, 6592615, 13185230, 17140799, 34281598, 85703995, 171407990]

約数ペア:

[(1, 171407990), (2, 85703995), (5, 34281598), (10, 17140799), (13, 13185230), (26, 6592615), (31, 5529290), (62, 2764645), (65, 2637046), (130, 1318523), (155, 1105858), (310, 552929), (403, 425330), (806, 212665), (2015, 85066), (4030, 42533)]