1640121605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1\times {\mathrm{8287}}^1$

素因数の和:10036

約数の個数: 16

約数和(自身を含む): 2055158784

約数和(自身を除く): 415037179

約数列:

[1, 5, 23, 115, 1721, 8287, 8605, 39583, 41435, 190601, 197915, 953005, 14261927, 71309635, 328024321, 1640121605]

約数ペア:

[(1, 1640121605), (5, 328024321), (23, 71309635), (115, 14261927), (1721, 953005), (8287, 197915), (8605, 190601), (39583, 41435)]