6640686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 16272360

約数和(自身を除く): 9631674

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 59, 74, 78, 111, 117, 118, 169, 177, 222, 234, 333, 338, 354, 481, 507, 531, 666, 767, 962, 1014, 1062, 1443, 1521, 1534, 2183, 2301, 2886, 3042, 4329, 4366, 4602, 6253, 6549, 6903, 8658, 9971, 12506, 13098, 13806, 18759, 19647, 19942, 28379, 29913, 37518, 39294, 56277, 56758, 59826, 85137, 89739, 112554, 170274, 179478, 255411, 368927, 510822, 737854, 1106781, 2213562, 3320343, 6640686]

約数ペア:

[(1, 6640686), (2, 3320343), (3, 2213562), (6, 1106781), (9, 737854), (13, 510822), (18, 368927), (26, 255411), (37, 179478), (39, 170274), (59, 112554), (74, 89739), (78, 85137), (111, 59826), (117, 56758), (118, 56277), (169, 39294), (177, 37518), (222, 29913), (234, 28379), (333, 19942), (338, 19647), (354, 18759), (481, 13806), (507, 13098), (531, 12506), (666, 9971), (767, 8658), (962, 6903), (1014, 6549), (1062, 6253), (1443, 4602), (1521, 4366), (1534, 4329), (2183, 3042), (2301, 2886)]