209964136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{7717}}^1$

素因数の和:7921

約数の個数: 32

約数和(自身を含む): 416772000

約数和(自身を除く): 206807864

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 179, 358, 716, 1432, 3401, 6802, 7717, 13604, 15434, 27208, 30868, 61736, 146623, 293246, 586492, 1172984, 1381343, 2762686, 5525372, 11050744, 26245517, 52491034, 104982068, 209964136]

約数ペア:

[(1, 209964136), (2, 104982068), (4, 52491034), (8, 26245517), (19, 11050744), (38, 5525372), (76, 2762686), (152, 1381343), (179, 1172984), (358, 586492), (716, 293246), (1432, 146623), (3401, 61736), (6802, 30868), (7717, 27208), (13604, 15434)]