189748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 370440

約数和(自身を除く): 180692

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 89, 164, 178, 356, 533, 1066, 1157, 2132, 2314, 3649, 4628, 7298, 14596, 47437, 94874, 189748]

約数ペア:

[(1, 189748), (2, 94874), (4, 47437), (13, 14596), (26, 7298), (41, 4628), (52, 3649), (82, 2314), (89, 2132), (164, 1157), (178, 1066), (356, 533)]