12906145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 19008000

約数和(自身を除く): 6101855

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 199, 545, 595, 763, 995, 1393, 1853, 3383, 3815, 6965, 9265, 12971, 16915, 21691, 23681, 64855, 108455, 118405, 151837, 368747, 759185, 1843735, 2581229, 12906145]

約数ペア:

[(1, 12906145), (5, 2581229), (7, 1843735), (17, 759185), (35, 368747), (85, 151837), (109, 118405), (119, 108455), (199, 64855), (545, 23681), (595, 21691), (763, 16915), (995, 12971), (1393, 9265), (1853, 6965), (3383, 3815)]