201558478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 335612160

約数和(自身を除く): 134053682

約数列:

[1, 2, 11, 22, 89, 178, 311, 331, 622, 662, 979, 1958, 3421, 3641, 6842, 7282, 27679, 29459, 55358, 58918, 102941, 205882, 304469, 324049, 608938, 648098, 1132351, 2264702, 9161749, 18323498, 100779239, 201558478]

約数ペア:

[(1, 201558478), (2, 100779239), (11, 18323498), (22, 9161749), (89, 2264702), (178, 1132351), (311, 648098), (331, 608938), (622, 324049), (662, 304469), (979, 205882), (1958, 102941), (3421, 58918), (3641, 55358), (6842, 29459), (7282, 27679)]