199131854

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 314399232

約数和(自身を除く): 115267378

約数列:

[1, 2, 37, 71, 74, 142, 151, 251, 302, 502, 2627, 5254, 5587, 9287, 10721, 11174, 17821, 18574, 21442, 35642, 37901, 75802, 396677, 659377, 793354, 1318754, 1402337, 2690971, 2804674, 5381942, 99565927, 199131854]

約数ペア:

[(1, 199131854), (2, 99565927), (37, 5381942), (71, 2804674), (74, 2690971), (142, 1402337), (151, 1318754), (251, 793354), (302, 659377), (502, 396677), (2627, 75802), (5254, 37901), (5587, 35642), (9287, 21442), (10721, 18574), (11174, 17821)]