123589487

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1789}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 144345600

約数和(自身を除く): 20756113

約数列:

[1, 7, 71, 139, 497, 973, 1789, 9869, 12523, 69083, 127019, 248671, 889133, 1740697, 17655641, 123589487]

約数ペア:

[(1, 123589487), (7, 17655641), (71, 1740697), (139, 889133), (497, 248671), (973, 127019), (1789, 69083), (9869, 12523)]