199941964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{41413}}^1$

素因数の和:41505

約数の個数: 24

約数和(自身を含む): 375707808

約数和(自身を除く): 175765844

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 41413, 82826, 165652, 704021, 1408042, 2816084, 2940323, 5880646, 11761292, 49985491, 99970982, 199941964]

約数ペア:

[(1, 199941964), (2, 99970982), (4, 49985491), (17, 11761292), (34, 5880646), (68, 2940323), (71, 2816084), (142, 1408042), (284, 704021), (1207, 165652), (2414, 82826), (4828, 41413)]