128437912

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{391579}}^1$

素因数の和:391626

約数の個数: 16

約数和(自身を含む): 246695400

約数和(自身を除く): 118257488

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 391579, 783158, 1566316, 3132632, 16054739, 32109478, 64218956, 128437912]

約数ペア:

[(1, 128437912), (2, 64218956), (4, 32109478), (8, 16054739), (41, 3132632), (82, 1566316), (164, 783158), (328, 391579)]