128795905

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 180403200

約数和(自身を除く): 51607295

約数列:

[1, 5, 7, 35, 89, 173, 239, 445, 623, 865, 1195, 1211, 1673, 3115, 6055, 8365, 15397, 21271, 41347, 76985, 106355, 107779, 148897, 206735, 289429, 538895, 744485, 1447145, 3679883, 18399415, 25759181, 128795905]

約数ペア:

[(1, 128795905), (5, 25759181), (7, 18399415), (35, 3679883), (89, 1447145), (173, 744485), (239, 538895), (445, 289429), (623, 206735), (865, 148897), (1195, 107779), (1211, 106355), (1673, 76985), (3115, 41347), (6055, 21271), (8365, 15397)]