218779990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{152993}}^1$

素因数の和:153024

約数の個数: 32

約数和(自身を含む): 462653856

約数和(自身を除く): 243873866

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 152993, 305986, 764965, 1529930, 1682923, 1988909, 3365846, 3977818, 8414615, 9944545, 16829230, 19889090, 21877999, 43755998, 109389995, 218779990]

約数ペア:

[(1, 218779990), (2, 109389995), (5, 43755998), (10, 21877999), (11, 19889090), (13, 16829230), (22, 9944545), (26, 8414615), (55, 3977818), (65, 3365846), (110, 1988909), (130, 1682923), (143, 1529930), (286, 764965), (715, 305986), (1430, 152993)]