505999885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 651939840

約数和(自身を除く): 145939955

約数列:

[1, 5, 23, 47, 115, 179, 235, 523, 895, 1081, 2615, 4117, 5405, 8413, 12029, 20585, 24581, 42065, 60145, 93617, 122905, 193499, 468085, 565363, 967495, 2153191, 2826815, 4399999, 10765955, 21999995, 101199977, 505999885]

約数ペア:

[(1, 505999885), (5, 101199977), (23, 21999995), (47, 10765955), (115, 4399999), (179, 2826815), (235, 2153191), (523, 967495), (895, 565363), (1081, 468085), (2615, 193499), (4117, 122905), (5405, 93617), (8413, 60145), (12029, 42065), (20585, 24581)]