219309779

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 251362944

約数和(自身を除く): 32053165

約数列:

[1, 13, 31, 41, 169, 403, 533, 1021, 1271, 5239, 6929, 13273, 16523, 31651, 41861, 172549, 214799, 411463, 544193, 1297691, 5349019, 7074509, 16869983, 219309779]

約数ペア:

[(1, 219309779), (13, 16869983), (31, 7074509), (41, 5349019), (169, 1297691), (403, 544193), (533, 411463), (1021, 214799), (1271, 172549), (5239, 41861), (6929, 31651), (13273, 16523)]