42005978

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 75081600

約数和(自身を除く): 33075622

約数列:

[1, 2, 7, 14, 29, 58, 157, 203, 314, 406, 659, 1099, 1318, 2198, 4553, 4613, 9106, 9226, 19111, 31871, 38222, 63742, 103463, 133777, 206926, 267554, 724241, 1448482, 3000427, 6000854, 21002989, 42005978]

約数ペア:

[(1, 42005978), (2, 21002989), (7, 6000854), (14, 3000427), (29, 1448482), (58, 724241), (157, 267554), (203, 206926), (314, 133777), (406, 103463), (659, 63742), (1099, 38222), (1318, 31871), (2198, 19111), (4553, 9226), (4613, 9106)]