2781008

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2462

約数の個数: 20

約数和(自身を含む): 5464308

約数和(自身を除く): 2683300

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 2381, 4762, 9524, 19048, 38096, 173813, 347626, 695252, 1390504, 2781008]

約数ペア:

[(1, 2781008), (2, 1390504), (4, 695252), (8, 347626), (16, 173813), (73, 38096), (146, 19048), (292, 9524), (584, 4762), (1168, 2381)]