257945208

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{147229}}^1$

素因数の和:147311

約数の個数: 32

約数和(自身を含む): 653701200

約数和(自身を除く): 395755992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 147229, 294458, 441687, 588916, 883374, 1177832, 1766748, 3533496, 10747717, 21495434, 32243151, 42990868, 64486302, 85981736, 128972604, 257945208]

約数ペア:

[(1, 257945208), (2, 128972604), (3, 85981736), (4, 64486302), (6, 42990868), (8, 32243151), (12, 21495434), (24, 10747717), (73, 3533496), (146, 1766748), (219, 1177832), (292, 883374), (438, 588916), (584, 441687), (876, 294458), (1752, 147229)]