427144705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 563189760

約数和(自身を除く): 136045055

約数列:

[1, 5, 13, 65, 79, 193, 395, 431, 965, 1027, 2155, 2509, 5135, 5603, 12545, 15247, 28015, 34049, 76235, 83183, 170245, 198211, 415915, 442637, 991055, 1081379, 2213185, 5406895, 6571457, 32857285, 85428941, 427144705]

約数ペア:

[(1, 427144705), (5, 85428941), (13, 32857285), (65, 6571457), (79, 5406895), (193, 2213185), (395, 1081379), (431, 991055), (965, 442637), (1027, 415915), (2155, 198211), (2509, 170245), (5135, 83183), (5603, 76235), (12545, 34049), (15247, 28015)]