209547778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{30047}}^1$

素因数の和:30377

約数の個数: 16

約数和(自身を含む): 343989504

約数和(自身を除く): 134441726

約数列:

[1, 2, 11, 22, 317, 634, 3487, 6974, 30047, 60094, 330517, 661034, 9524899, 19049798, 104773889, 209547778]

約数ペア:

[(1, 209547778), (2, 104773889), (11, 19049798), (22, 9524899), (317, 661034), (634, 330517), (3487, 60094), (6974, 30047)]