128236486

素因数分解:

$2^1\times 7^1\times {\mathrm{2239}}^1\times {\mathrm{4091}}^1$

素因数の和:6339

約数の個数: 16

約数和(自身を含む): 219985920

約数和(自身を除く): 91749434

約数列:

[1, 2, 7, 14, 2239, 4091, 4478, 8182, 15673, 28637, 31346, 57274, 9159749, 18319498, 64118243, 128236486]

約数ペア:

[(1, 128236486), (2, 64118243), (7, 18319498), (14, 9159749), (2239, 57274), (4091, 31346), (4478, 28637), (8182, 15673)]