11989285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 19152000

約数和(自身を除く): 7162715

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 149, 209, 385, 605, 665, 745, 847, 1043, 1045, 1463, 1639, 2299, 2831, 4235, 5215, 7315, 8195, 11473, 11495, 14155, 16093, 18029, 19817, 31141, 57365, 80465, 90145, 99085, 126203, 155705, 217987, 342551, 631015, 1089935, 1712755, 2397857, 11989285]

約数ペア:

[(1, 11989285), (5, 2397857), (7, 1712755), (11, 1089935), (19, 631015), (35, 342551), (55, 217987), (77, 155705), (95, 126203), (121, 99085), (133, 90145), (149, 80465), (209, 57365), (385, 31141), (605, 19817), (665, 18029), (745, 16093), (847, 14155), (1043, 11495), (1045, 11473), (1463, 8195), (1639, 7315), (2299, 5215), (2831, 4235)]