28129341751

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{394007}}^1$

素因数の和:394099

約数の個数: 24

約数和(自身を含む): 34496188416

約数和(自身を除く): 6366846665

約数列:

[1, 7, 31, 47, 49, 217, 329, 1457, 1519, 2303, 10199, 71393, 394007, 2758049, 12214217, 18518329, 19306343, 85499519, 129628303, 574068199, 598496633, 907398121, 4018477393, 28129341751]

約数ペア:

[(1, 28129341751), (7, 4018477393), (31, 907398121), (47, 598496633), (49, 574068199), (217, 129628303), (329, 85499519), (1457, 19306343), (1519, 18518329), (2303, 12214217), (10199, 2758049), (71393, 394007)]