401020669

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{38167}}^1$

素因数の和:38272

約数の個数: 16

約数和(自身を含む): 488550400

約数和(自身を除く): 87529731

約数列:

[1, 7, 19, 79, 133, 553, 1501, 10507, 38167, 267169, 725173, 3015193, 5076211, 21106351, 57288667, 401020669]

約数ペア:

[(1, 401020669), (7, 57288667), (19, 21106351), (79, 5076211), (133, 3015193), (553, 725173), (1501, 267169), (10507, 38167)]