28574705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{887}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 36443520

約数和(自身を除く): 7868815

約数列:

[1, 5, 17, 85, 379, 887, 1895, 4435, 6443, 15079, 32215, 75395, 336173, 1680865, 5714941, 28574705]

約数ペア:

[(1, 28574705), (5, 5714941), (17, 1680865), (85, 336173), (379, 75395), (887, 32215), (1895, 15079), (4435, 6443)]