221424424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{3221}}^1$

素因数の和:3901

約数の個数: 32

約数和(自身を含む): 447922440

約数和(自身を除く): 226498016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 661, 1322, 2644, 3221, 5288, 6442, 8593, 12884, 17186, 25768, 34372, 41873, 68744, 83746, 167492, 334984, 2129081, 4258162, 8516324, 17032648, 27678053, 55356106, 110712212, 221424424]

約数ペア:

[(1, 221424424), (2, 110712212), (4, 55356106), (8, 27678053), (13, 17032648), (26, 8516324), (52, 4258162), (104, 2129081), (661, 334984), (1322, 167492), (2644, 83746), (3221, 68744), (5288, 41873), (6442, 34372), (8593, 25768), (12884, 17186)]