72782017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30491}}^1$

素因数の和:30540

約数の個数: 16

約数和(自身を含む): 93671424

約数和(自身を除く): 20889407

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 30491, 213437, 335401, 945221, 2347807, 6616547, 10397431, 72782017]

約数ペア:

[(1, 72782017), (7, 10397431), (11, 6616547), (31, 2347807), (77, 945221), (217, 335401), (341, 213437), (2387, 30491)]