208202449

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 262545920

約数和(自身を除く): 54343471

約数列:

[1, 7, 13, 91, 97, 103, 229, 679, 721, 1261, 1339, 1603, 2977, 8827, 9373, 9991, 20839, 22213, 23587, 69937, 129883, 155491, 165109, 288769, 306631, 909181, 2021383, 2146417, 2287939, 16015573, 29743207, 208202449]

約数ペア:

[(1, 208202449), (7, 29743207), (13, 16015573), (91, 2287939), (97, 2146417), (103, 2021383), (229, 909181), (679, 306631), (721, 288769), (1261, 165109), (1339, 155491), (1603, 129883), (2977, 69937), (8827, 23587), (9373, 22213), (9991, 20839)]