209923816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{1663}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 407347200

約数和(自身を除く): 197423384

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 509, 1018, 1663, 2036, 3326, 4072, 6652, 13304, 15779, 31558, 51553, 63116, 103106, 126232, 206212, 412424, 846467, 1692934, 3385868, 6771736, 26240477, 52480954, 104961908, 209923816]

約数ペア:

[(1, 209923816), (2, 104961908), (4, 52480954), (8, 26240477), (31, 6771736), (62, 3385868), (124, 1692934), (248, 846467), (509, 412424), (1018, 206212), (1663, 126232), (2036, 103106), (3326, 63116), (4072, 51553), (6652, 31558), (13304, 15779)]