218620454975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{3041}}^1\times {\mathrm{221203}}^1$

素因数の和:224267

約数の個数: 24

約数和(自身を含む): 292039714512

約数和(自身を除く): 73419259537

約数列:

[1, 5, 13, 25, 65, 325, 3041, 15205, 39533, 76025, 197665, 221203, 988325, 1106015, 2875639, 5530075, 14378195, 71890975, 672678323, 3363391615, 8744818199, 16816958075, 43724090995, 218620454975]

約数ペア:

[(1, 218620454975), (5, 43724090995), (13, 16816958075), (25, 8744818199), (65, 3363391615), (325, 672678323), (3041, 71890975), (15205, 14378195), (39533, 5530075), (76025, 2875639), (197665, 1106015), (221203, 988325)]