201777901

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 220711680

約数和(自身を除く): 18933779

約数列:

[1, 13, 101, 239, 643, 1313, 3107, 8359, 24139, 64943, 153677, 313807, 844259, 1997801, 15521377, 201777901]

約数ペア:

[(1, 201777901), (13, 15521377), (101, 1997801), (239, 844259), (643, 313807), (1313, 153677), (3107, 64943), (8359, 24139)]