61639325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 89994240

約数和(自身を除く): 28354915

約数列:

[1, 5, 11, 19, 25, 47, 55, 95, 209, 235, 251, 275, 475, 517, 893, 1045, 1175, 1255, 2585, 2761, 4465, 4769, 5225, 6275, 9823, 11797, 12925, 13805, 22325, 23845, 49115, 52459, 58985, 69025, 119225, 129767, 224143, 245575, 262295, 294925, 648835, 1120715, 1311475, 2465573, 3244175, 5603575, 12327865, 61639325]

約数ペア:

[(1, 61639325), (5, 12327865), (11, 5603575), (19, 3244175), (25, 2465573), (47, 1311475), (55, 1120715), (95, 648835), (209, 294925), (235, 262295), (251, 245575), (275, 224143), (475, 129767), (517, 119225), (893, 69025), (1045, 58985), (1175, 52459), (1255, 49115), (2585, 23845), (2761, 22325), (4465, 13805), (4769, 12925), (5225, 11797), (6275, 9823)]