808895890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{668509}}^1$

素因数の和:668538

約数の個数: 24

約数和(自身を含む): 1600412940

約数和(自身を除く): 791517050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 668509, 1337018, 3342545, 6685090, 7353599, 14707198, 36767995, 73535990, 80889589, 161779178, 404447945, 808895890]

約数ペア:

[(1, 808895890), (2, 404447945), (5, 161779178), (10, 80889589), (11, 73535990), (22, 36767995), (55, 14707198), (110, 7353599), (121, 6685090), (242, 3342545), (605, 1337018), (1210, 668509)]