217840012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{26683}}^1$

素因数の和:26857

約数の個数: 24

約数和(自身を含む): 413175056

約数和(自身を除く): 195335044

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 26683, 53366, 106732, 346879, 693758, 1387516, 4189231, 8378462, 16756924, 54460003, 108920006, 217840012]

約数ペア:

[(1, 217840012), (2, 108920006), (4, 54460003), (13, 16756924), (26, 8378462), (52, 4189231), (157, 1387516), (314, 693758), (628, 346879), (2041, 106732), (4082, 53366), (8164, 26683)]