16421272

素因数分解:

$2^3\times 7^2\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 36176760

約数和(自身を除く): 19755488

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 163, 196, 257, 326, 392, 514, 652, 1028, 1141, 1304, 1799, 2056, 2282, 3598, 4564, 7196, 7987, 9128, 12593, 14392, 15974, 25186, 31948, 41891, 50372, 63896, 83782, 100744, 167564, 293237, 335128, 586474, 1172948, 2052659, 2345896, 4105318, 8210636, 16421272]

約数ペア:

[(1, 16421272), (2, 8210636), (4, 4105318), (7, 2345896), (8, 2052659), (14, 1172948), (28, 586474), (49, 335128), (56, 293237), (98, 167564), (163, 100744), (196, 83782), (257, 63896), (326, 50372), (392, 41891), (514, 31948), (652, 25186), (1028, 15974), (1141, 14392), (1304, 12593), (1799, 9128), (2056, 7987), (2282, 7196), (3598, 4564)]