16978945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{773}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 21399552

約数和(自身を除く): 4420607

約数列:

[1, 5, 23, 115, 191, 773, 955, 3865, 4393, 17779, 21965, 88895, 147643, 738215, 3395789, 16978945]

約数ペア:

[(1, 16978945), (5, 3395789), (23, 738215), (115, 147643), (191, 88895), (773, 21965), (955, 17779), (3865, 4393)]