161768971

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 205793280

約数和(自身を除く): 44024309

約数列:

[1, 7, 13, 47, 91, 109, 329, 347, 611, 763, 1417, 2429, 4277, 4511, 5123, 9919, 16309, 31577, 35861, 37823, 66599, 114163, 212017, 264761, 466193, 491699, 1484119, 1777681, 3441893, 12443767, 23109853, 161768971]

約数ペア:

[(1, 161768971), (7, 23109853), (13, 12443767), (47, 3441893), (91, 1777681), (109, 1484119), (329, 491699), (347, 466193), (611, 264761), (763, 212017), (1417, 114163), (2429, 66599), (4277, 37823), (4511, 35861), (5123, 31577), (9919, 16309)]