15640688

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2001

約数の個数: 40

約数和(自身を含む): 35125728

約数和(自身を除く): 19485040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 1913, 2044, 3826, 4088, 7652, 8176, 13391, 15304, 26782, 30608, 53564, 107128, 139649, 214256, 279298, 558596, 977543, 1117192, 1955086, 2234384, 3910172, 7820344, 15640688]

約数ペア:

[(1, 15640688), (2, 7820344), (4, 3910172), (7, 2234384), (8, 1955086), (14, 1117192), (16, 977543), (28, 558596), (56, 279298), (73, 214256), (112, 139649), (146, 107128), (292, 53564), (511, 30608), (584, 26782), (1022, 15304), (1168, 13391), (1913, 8176), (2044, 7652), (3826, 4088)]