157890239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 186278400

約数和(自身を除く): 28388161

約数列:

[1, 13, 23, 29, 131, 139, 299, 377, 667, 1703, 1807, 3013, 3197, 3799, 4031, 8671, 18209, 39169, 41561, 49387, 52403, 87377, 92713, 236717, 418807, 528061, 1135901, 1205269, 5444491, 6864793, 12145403, 157890239]

約数ペア:

[(1, 157890239), (13, 12145403), (23, 6864793), (29, 5444491), (131, 1205269), (139, 1135901), (299, 528061), (377, 418807), (667, 236717), (1703, 92713), (1807, 87377), (3013, 52403), (3197, 49387), (3799, 41561), (4031, 39169), (8671, 18209)]