72165485

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 104544000

約数和(自身を除く): 32378515

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 343, 1015, 1421, 1451, 1715, 7105, 7255, 9947, 10157, 42079, 49735, 50785, 71099, 210395, 294553, 355495, 497693, 1472765, 2061871, 2488465, 10309355, 14433097, 72165485]

約数ペア:

[(1, 72165485), (5, 14433097), (7, 10309355), (29, 2488465), (35, 2061871), (49, 1472765), (145, 497693), (203, 355495), (245, 294553), (343, 210395), (1015, 71099), (1421, 50785), (1451, 49735), (1715, 42079), (7105, 10157), (7255, 9947)]