31281376

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2003

約数の個数: 48

約数和(自身を含む): 71384544

約数和(自身を除く): 40103168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 1913, 2044, 2336, 3826, 4088, 7652, 8176, 13391, 15304, 16352, 26782, 30608, 53564, 61216, 107128, 139649, 214256, 279298, 428512, 558596, 977543, 1117192, 1955086, 2234384, 3910172, 4468768, 7820344, 15640688, 31281376]

約数ペア:

[(1, 31281376), (2, 15640688), (4, 7820344), (7, 4468768), (8, 3910172), (14, 2234384), (16, 1955086), (28, 1117192), (32, 977543), (56, 558596), (73, 428512), (112, 279298), (146, 214256), (224, 139649), (292, 107128), (511, 61216), (584, 53564), (1022, 30608), (1168, 26782), (1913, 16352), (2044, 15304), (2336, 13391), (3826, 8176), (4088, 7652)]