1561612208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7507751}}^1$

素因数の和:7507772

約数の個数: 20

約数和(自身を含む): 3258364368

約数和(自身を除く): 1696752160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7507751, 15015502, 30031004, 60062008, 97600763, 120124016, 195201526, 390403052, 780806104, 1561612208]

約数ペア:

[(1, 1561612208), (2, 780806104), (4, 390403052), (8, 195201526), (13, 120124016), (16, 97600763), (26, 60062008), (52, 30031004), (104, 15015502), (208, 7507751)]