16781212

素因数分解:

$2^2\times 7^1\times {\mathrm{739}}^1\times {\mathrm{811}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 33649280

約数和(自身を除く): 16868068

約数列:

[1, 2, 4, 7, 14, 28, 739, 811, 1478, 1622, 2956, 3244, 5173, 5677, 10346, 11354, 20692, 22708, 599329, 1198658, 2397316, 4195303, 8390606, 16781212]

約数ペア:

[(1, 16781212), (2, 8390606), (4, 4195303), (7, 2397316), (14, 1198658), (28, 599329), (739, 22708), (811, 20692), (1478, 11354), (1622, 10346), (2956, 5677), (3244, 5173)]