79949895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 136375488

約数和(自身を除く): 56425593

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 1997, 2355, 2669, 5991, 8007, 9985, 13345, 29955, 33949, 40035, 101847, 169745, 313529, 509235, 940587, 1567645, 4702935, 5329993, 15989979, 26649965, 79949895]

約数ペア:

[(1, 79949895), (3, 26649965), (5, 15989979), (15, 5329993), (17, 4702935), (51, 1567645), (85, 940587), (157, 509235), (255, 313529), (471, 169745), (785, 101847), (1997, 40035), (2355, 33949), (2669, 29955), (5991, 13345), (8007, 9985)]