131351704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21023}}^1$

素因数の和:21111

約数の個数: 32

約数和(自身を含む): 272471040

約数和(自身を除く): 141119336

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 21023, 42046, 84092, 168184, 231253, 462506, 925012, 1492633, 1850024, 2985266, 5970532, 11941064, 16418963, 32837926, 65675852, 131351704]

約数ペア:

[(1, 131351704), (2, 65675852), (4, 32837926), (8, 16418963), (11, 11941064), (22, 5970532), (44, 2985266), (71, 1850024), (88, 1492633), (142, 925012), (284, 462506), (568, 231253), (781, 168184), (1562, 84092), (3124, 42046), (6248, 21023)]