7213019905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3109}}^1\times {\mathrm{5099}}^1$

素因数の和:8233

約数の個数: 32

約数和(自身を含む): 10658592000

約数和(自身を除く): 3445572095

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 3109, 5099, 15545, 21763, 25495, 35693, 40417, 66287, 108815, 178465, 202085, 282919, 331435, 464009, 1414595, 2320045, 15852791, 79263955, 110969537, 206086283, 554847685, 1030431415, 1442603981, 7213019905]

約数ペア:

[(1, 7213019905), (5, 1442603981), (7, 1030431415), (13, 554847685), (35, 206086283), (65, 110969537), (91, 79263955), (455, 15852791), (3109, 2320045), (5099, 1414595), (15545, 464009), (21763, 331435), (25495, 282919), (35693, 202085), (40417, 178465), (66287, 108815)]