40894078

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:684

約数の個数: 24

約数和(自身を含む): 65759400

約数和(自身を除く): 24865322

約数列:

[1, 2, 17, 34, 139, 278, 289, 509, 578, 1018, 2363, 4726, 8653, 17306, 40171, 70751, 80342, 141502, 147101, 294202, 1202767, 2405534, 20447039, 40894078]

約数ペア:

[(1, 40894078), (2, 20447039), (17, 2405534), (34, 1202767), (139, 294202), (278, 147101), (289, 141502), (509, 80342), (578, 70751), (1018, 40171), (2363, 17306), (4726, 8653)]