201639840025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{6991}}^1\times {\mathrm{88747}}^1$

素因数の和:95761

約数の個数: 24

約数和(自身を含む): 269308290944

約数和(自身を除く): 67668450919

約数列:

[1, 5, 13, 25, 65, 325, 6991, 34955, 88747, 90883, 174775, 443735, 454415, 1153711, 2218675, 2272075, 5768555, 28842775, 620430277, 3102151385, 8065593601, 15510756925, 40327968005, 201639840025]

約数ペア:

[(1, 201639840025), (5, 40327968005), (13, 15510756925), (25, 8065593601), (65, 3102151385), (325, 620430277), (6991, 28842775), (34955, 5768555), (88747, 2272075), (90883, 2218675), (174775, 1153711), (443735, 454415)]