128879998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{7591}}^1$

素因数の和:8259

約数の個数: 16

約数和(自身を含む): 208537056

約数和(自身を除く): 79657058

約数列:

[1, 2, 13, 26, 653, 1306, 7591, 8489, 15182, 16978, 98683, 197366, 4956923, 9913846, 64439999, 128879998]

約数ペア:

[(1, 128879998), (2, 64439999), (13, 9913846), (26, 4956923), (653, 197366), (1306, 98683), (7591, 16978), (8489, 15182)]