28374605

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{367}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 39867648

約数和(自身を除く): 11493043

約数列:

[1, 5, 7, 35, 47, 235, 329, 367, 1645, 1835, 2209, 2569, 11045, 12845, 15463, 17249, 77315, 86245, 120743, 603715, 810703, 4053515, 5674921, 28374605]

約数ペア:

[(1, 28374605), (5, 5674921), (7, 4053515), (35, 810703), (47, 603715), (235, 120743), (329, 86245), (367, 77315), (1645, 17249), (1835, 15463), (2209, 12845), (2569, 11045)]