161568001

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 202752000

約数和(自身を除く): 41183999

約数列:

[1, 7, 19, 31, 133, 149, 217, 263, 589, 1043, 1841, 2831, 4123, 4619, 4997, 8153, 19817, 32333, 34979, 39187, 57071, 87761, 154907, 274309, 614327, 744553, 1084349, 1214797, 5211871, 8503579, 23081143, 161568001]

約数ペア:

[(1, 161568001), (7, 23081143), (19, 8503579), (31, 5211871), (133, 1214797), (149, 1084349), (217, 744553), (263, 614327), (589, 274309), (1043, 154907), (1841, 87761), (2831, 57071), (4123, 39187), (4619, 34979), (4997, 32333), (8153, 19817)]