81797158

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 131459328

約数和(自身を除く): 49662170

約数列:

[1, 2, 31, 37, 62, 74, 181, 197, 362, 394, 1147, 2294, 5611, 6107, 6697, 7289, 11222, 12214, 13394, 14578, 35657, 71314, 207607, 225959, 415214, 451918, 1105367, 1319309, 2210734, 2638618, 40898579, 81797158]

約数ペア:

[(1, 81797158), (2, 40898579), (31, 2638618), (37, 2210734), (62, 1319309), (74, 1105367), (181, 451918), (197, 415214), (362, 225959), (394, 207607), (1147, 71314), (2294, 35657), (5611, 14578), (6107, 13394), (6697, 12214), (7289, 11222)]