28961816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{278479}}^1$

素因数の和:278498

約数の個数: 16

約数和(自身を含む): 58480800

約数和(自身を除く): 29518984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 278479, 556958, 1113916, 2227832, 3620227, 7240454, 14480908, 28961816]

約数ペア:

[(1, 28961816), (2, 14480908), (4, 7240454), (8, 3620227), (13, 2227832), (26, 1113916), (52, 556958), (104, 278479)]