208320904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{5623}}^1$

素因数の和:6061

約数の個数: 32

約数和(自身を含む): 427199040

約数和(自身を除く): 218878136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 842, 1684, 3368, 4631, 5623, 9262, 11246, 18524, 22492, 37048, 44984, 61853, 123706, 247412, 494824, 2367283, 4734566, 9469132, 18938264, 26040113, 52080226, 104160452, 208320904]

約数ペア:

[(1, 208320904), (2, 104160452), (4, 52080226), (8, 26040113), (11, 18938264), (22, 9469132), (44, 4734566), (88, 2367283), (421, 494824), (842, 247412), (1684, 123706), (3368, 61853), (4631, 44984), (5623, 37048), (9262, 22492), (11246, 18524)]