99121990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{81919}}^1$

素因数の和:81948

約数の個数: 24

約数和(自身を含む): 196116480

約数和(自身を除く): 96994490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 81919, 163838, 409595, 819190, 901109, 1802218, 4505545, 9011090, 9912199, 19824398, 49560995, 99121990]

約数ペア:

[(1, 99121990), (2, 49560995), (5, 19824398), (10, 9912199), (11, 9011090), (22, 4505545), (55, 1802218), (110, 901109), (121, 819190), (242, 409595), (605, 163838), (1210, 81919)]