90489148

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 161254800

約数和(自身を除く): 70765652

約数列:

[1, 2, 4, 89, 157, 178, 314, 356, 628, 1619, 3238, 6476, 13973, 27946, 55892, 144091, 254183, 288182, 508366, 576364, 1016732, 22622287, 45244574, 90489148]

約数ペア:

[(1, 90489148), (2, 45244574), (4, 22622287), (89, 1016732), (157, 576364), (178, 508366), (314, 288182), (356, 254183), (628, 144091), (1619, 55892), (3238, 27946), (6476, 13973)]