78528417

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 120130560

約数和(自身を除く): 41602143

約数列:

[1, 3, 11, 23, 33, 69, 157, 253, 471, 659, 759, 1727, 1977, 3611, 5181, 7249, 10833, 15157, 21747, 39721, 45471, 103463, 119163, 166727, 310389, 500181, 1138093, 2379649, 3414279, 7138947, 26176139, 78528417]

約数ペア:

[(1, 78528417), (3, 26176139), (11, 7138947), (23, 3414279), (33, 2379649), (69, 1138093), (157, 500181), (253, 310389), (471, 166727), (659, 119163), (759, 103463), (1727, 45471), (1977, 39721), (3611, 21747), (5181, 15157), (7249, 10833)]