74777978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 125012160

約数和(自身を除く): 50234182

約数列:

[1, 2, 11, 22, 89, 178, 181, 211, 362, 422, 979, 1958, 1991, 2321, 3982, 4642, 16109, 18779, 32218, 37558, 38191, 76382, 177199, 206569, 354398, 413138, 420101, 840202, 3398999, 6797998, 37388989, 74777978]

約数ペア:

[(1, 74777978), (2, 37388989), (11, 6797998), (22, 3398999), (89, 840202), (178, 420101), (181, 413138), (211, 354398), (362, 206569), (422, 177199), (979, 76382), (1958, 38191), (1991, 37558), (2321, 32218), (3982, 18779), (4642, 16109)]