28042870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 51757056

約数和(自身を除く): 23714186

約数列:

[1, 2, 5, 10, 71, 127, 142, 254, 311, 355, 622, 635, 710, 1270, 1555, 3110, 9017, 18034, 22081, 39497, 44162, 45085, 78994, 90170, 110405, 197485, 220810, 394970, 2804287, 5608574, 14021435, 28042870]

約数ペア:

[(1, 28042870), (2, 14021435), (5, 5608574), (10, 2804287), (71, 394970), (127, 220810), (142, 197485), (254, 110405), (311, 90170), (355, 78994), (622, 45085), (635, 44162), (710, 39497), (1270, 22081), (1555, 18034), (3110, 9017)]