155778245

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{541}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 225818880

約数和(自身を除く): 70040635

約数列:

[1, 5, 7, 19, 35, 95, 133, 433, 541, 665, 2165, 2705, 3031, 3787, 8227, 10279, 15155, 18935, 41135, 51395, 57589, 71953, 234253, 287945, 359765, 1171265, 1639771, 4450807, 8198855, 22254035, 31155649, 155778245]

約数ペア:

[(1, 155778245), (5, 31155649), (7, 22254035), (19, 8198855), (35, 4450807), (95, 1639771), (133, 1171265), (433, 359765), (541, 287945), (665, 234253), (2165, 71953), (2705, 57589), (3031, 51395), (3787, 41135), (8227, 18935), (10279, 15155)]