201719908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{1381}}^1$

素因数の和:1504

約数の個数: 36

約数和(自身を含む): 387753268

約数和(自身を除く): 186033360

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 1381, 2756, 2762, 2809, 5524, 5618, 11236, 17953, 35906, 36517, 71812, 73034, 73193, 146068, 146386, 292772, 951509, 1903018, 3806036, 3879229, 7758458, 15516916, 50429977, 100859954, 201719908]

約数ペア:

[(1, 201719908), (2, 100859954), (4, 50429977), (13, 15516916), (26, 7758458), (52, 3879229), (53, 3806036), (106, 1903018), (212, 951509), (689, 292772), (1378, 146386), (1381, 146068), (2756, 73193), (2762, 73034), (2809, 71812), (5524, 36517), (5618, 35906), (11236, 17953)]