209528072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{22637}}^1$

素因数の和:22745

約数の個数: 32

約数和(自身を含む): 427858200

約数和(自身を除く): 218330128

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 22637, 45274, 90548, 181096, 294281, 588562, 1177124, 2014693, 2354248, 4029386, 8058772, 16117544, 26191009, 52382018, 104764036, 209528072]

約数ペア:

[(1, 209528072), (2, 104764036), (4, 52382018), (8, 26191009), (13, 16117544), (26, 8058772), (52, 4029386), (89, 2354248), (104, 2014693), (178, 1177124), (356, 588562), (712, 294281), (1157, 181096), (2314, 90548), (4628, 45274), (9256, 22637)]