211329666

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 72

約数和(自身を含む): 498803760

約数和(自身を除く): 287474094

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 643, 961, 1178, 1286, 1767, 1922, 1929, 2883, 3534, 3858, 5301, 5766, 5787, 8649, 10602, 11574, 12217, 17298, 18259, 19933, 24434, 36518, 36651, 39866, 54777, 59799, 73302, 109554, 109953, 119598, 164331, 179397, 219906, 328662, 358794, 378727, 617923, 757454, 1136181, 1235846, 1853769, 2272362, 3408543, 3707538, 5561307, 6817086, 11122614, 11740537, 23481074, 35221611, 70443222, 105664833, 211329666]

約数ペア:

[(1, 211329666), (2, 105664833), (3, 70443222), (6, 35221611), (9, 23481074), (18, 11740537), (19, 11122614), (31, 6817086), (38, 5561307), (57, 3707538), (62, 3408543), (93, 2272362), (114, 1853769), (171, 1235846), (186, 1136181), (279, 757454), (342, 617923), (558, 378727), (589, 358794), (643, 328662), (961, 219906), (1178, 179397), (1286, 164331), (1767, 119598), (1922, 109953), (1929, 109554), (2883, 73302), (3534, 59799), (3858, 54777), (5301, 39866), (5766, 36651), (5787, 36518), (8649, 24434), (10602, 19933), (11574, 18259), (12217, 17298)]