209817218

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{4111}}^1$

素因数の和:4290

約数の個数: 24

約数和(自身を含む): 343138176

約数和(自身を除く): 133320958

約数列:

[1, 2, 13, 26, 151, 169, 302, 338, 1963, 3926, 4111, 8222, 25519, 51038, 53443, 106886, 620761, 694759, 1241522, 1389518, 8069893, 16139786, 104908609, 209817218]

約数ペア:

[(1, 209817218), (2, 104908609), (13, 16139786), (26, 8069893), (151, 1389518), (169, 1241522), (302, 694759), (338, 620761), (1963, 106886), (3926, 53443), (4111, 51038), (8222, 25519)]