161305991

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 36

約数和(自身を含む): 216301320

約数和(自身を除く): 54995329

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 361, 539, 829, 931, 1463, 2527, 3971, 5803, 9119, 10241, 15751, 17689, 27797, 40621, 63833, 110257, 173261, 194579, 299269, 446831, 771799, 1212827, 2094883, 3291959, 8489789, 14664181, 23043713, 161305991]

約数ペア:

[(1, 161305991), (7, 23043713), (11, 14664181), (19, 8489789), (49, 3291959), (77, 2094883), (133, 1212827), (209, 771799), (361, 446831), (539, 299269), (829, 194579), (931, 173261), (1463, 110257), (2527, 63833), (3971, 40621), (5803, 27797), (9119, 17689), (10241, 15751)]