64201921

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 75385728

約数和(自身を除く): 11183807

約数列:

[1, 7, 53, 131, 371, 917, 1321, 6943, 9247, 48601, 70013, 173051, 490091, 1211357, 9171703, 64201921]

約数ペア:

[(1, 64201921), (7, 9171703), (53, 1211357), (131, 490091), (371, 173051), (917, 70013), (1321, 48601), (6943, 9247)]