68747575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 101618496

約数和(自身を除く): 32870921

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 221, 299, 325, 391, 425, 541, 575, 1105, 1495, 1955, 2705, 5083, 5525, 7033, 7475, 9197, 9775, 12443, 13525, 25415, 35165, 45985, 62215, 119561, 127075, 161759, 175825, 211531, 229925, 311075, 597805, 808795, 1057655, 2749903, 2989025, 4043975, 5288275, 13749515, 68747575]

約数ペア:

[(1, 68747575), (5, 13749515), (13, 5288275), (17, 4043975), (23, 2989025), (25, 2749903), (65, 1057655), (85, 808795), (115, 597805), (221, 311075), (299, 229925), (325, 211531), (391, 175825), (425, 161759), (541, 127075), (575, 119561), (1105, 62215), (1495, 45985), (1955, 35165), (2705, 25415), (5083, 13525), (5525, 12443), (7033, 9775), (7475, 9197)]