71978621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 87840000

約数和(自身を除く): 15861379

約数列:

[1, 11, 13, 31, 143, 169, 341, 403, 1249, 1859, 4433, 5239, 13739, 16237, 38719, 57629, 178607, 211081, 425909, 503347, 2321891, 5536817, 6543511, 71978621]

約数ペア:

[(1, 71978621), (11, 6543511), (13, 5536817), (31, 2321891), (143, 503347), (169, 425909), (341, 211081), (403, 178607), (1249, 57629), (1859, 38719), (4433, 16237), (5239, 13739)]