12943205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5304475

約数列:

[1, 5, 11, 17, 55, 85, 109, 127, 187, 545, 635, 935, 1199, 1397, 1853, 2159, 5995, 6985, 9265, 10795, 13843, 20383, 23749, 69215, 101915, 118745, 152273, 235331, 761365, 1176655, 2588641, 12943205]

約数ペア:

[(1, 12943205), (5, 2588641), (11, 1176655), (17, 761365), (55, 235331), (85, 152273), (109, 118745), (127, 101915), (187, 69215), (545, 23749), (635, 20383), (935, 13843), (1199, 10795), (1397, 9265), (1853, 6985), (2159, 5995)]