138840494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{48991}}^1$

素因数の和:49115

約数の個数: 16

約数和(自身を含む): 226343040

約数和(自身を除く): 87502546

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 48991, 97982, 636883, 1273766, 5340019, 10680038, 69420247, 138840494]

約数ペア:

[(1, 138840494), (2, 69420247), (13, 10680038), (26, 5340019), (109, 1273766), (218, 636883), (1417, 97982), (2834, 48991)]