251010448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1206781}}^1$

素因数の和:1206802

約数の個数: 20

約数和(自身を含む): 523743388

約数和(自身を除く): 272732940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1206781, 2413562, 4827124, 9654248, 15688153, 19308496, 31376306, 62752612, 125505224, 251010448]

約数ペア:

[(1, 251010448), (2, 125505224), (4, 62752612), (8, 31376306), (13, 19308496), (16, 15688153), (26, 9654248), (52, 4827124), (104, 2413562), (208, 1206781)]