208504516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{2819}}^1$

素因数の和:2916

約数の個数: 36

約数和(自身を含む): 408144240

約数和(自身を除く): 199639724

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1681, 1804, 2819, 3362, 5638, 6724, 11276, 18491, 31009, 36982, 62018, 73964, 115579, 124036, 231158, 462316, 1271369, 2542738, 4738739, 5085476, 9477478, 18954956, 52126129, 104252258, 208504516]

約数ペア:

[(1, 208504516), (2, 104252258), (4, 52126129), (11, 18954956), (22, 9477478), (41, 5085476), (44, 4738739), (82, 2542738), (164, 1271369), (451, 462316), (902, 231158), (1681, 124036), (1804, 115579), (2819, 73964), (3362, 62018), (5638, 36982), (6724, 31009), (11276, 18491)]