28904668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7829}}^1$

素因数の和:7917

約数の個数: 24

約数和(自身を含む): 55248480

約数和(自身を除く): 26343812

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7829, 15658, 31316, 101777, 203554, 407108, 555859, 1111718, 2223436, 7226167, 14452334, 28904668]

約数ペア:

[(1, 28904668), (2, 14452334), (4, 7226167), (13, 2223436), (26, 1111718), (52, 555859), (71, 407108), (142, 203554), (284, 101777), (923, 31316), (1846, 15658), (3692, 7829)]