208985004

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{13469}}^1$

素因数の和:13910

約数の個数: 36

約数和(自身を含む): 529532640

約数和(自身を除く): 320547636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1293, 1724, 2586, 3879, 5172, 7758, 13469, 15516, 26938, 40407, 53876, 80814, 121221, 161628, 242442, 484884, 5805139, 11610278, 17415417, 23220556, 34830834, 52246251, 69661668, 104492502, 208985004]

約数ペア:

[(1, 208985004), (2, 104492502), (3, 69661668), (4, 52246251), (6, 34830834), (9, 23220556), (12, 17415417), (18, 11610278), (36, 5805139), (431, 484884), (862, 242442), (1293, 161628), (1724, 121221), (2586, 80814), (3879, 53876), (5172, 40407), (7758, 26938), (13469, 15516)]