218929788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78979}}^1$

素因数の和:79007

約数の個数: 72

約数和(自身を含む): 689969280

約数和(自身を除く): 471039492

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 78979, 157958, 236937, 315916, 473874, 552853, 710811, 868769, 947748, 1105706, 1421622, 1658559, 1737538, 2211412, 2606307, 2843244, 3317118, 3475076, 4975677, 5212614, 6081383, 6634236, 7818921, 9951354, 10425228, 12162766, 15637842, 18244149, 19902708, 24325532, 31275684, 36488298, 54732447, 72976596, 109464894, 218929788]

約数ペア:

[(1, 218929788), (2, 109464894), (3, 72976596), (4, 54732447), (6, 36488298), (7, 31275684), (9, 24325532), (11, 19902708), (12, 18244149), (14, 15637842), (18, 12162766), (21, 10425228), (22, 9951354), (28, 7818921), (33, 6634236), (36, 6081383), (42, 5212614), (44, 4975677), (63, 3475076), (66, 3317118), (77, 2843244), (84, 2606307), (99, 2211412), (126, 1737538), (132, 1658559), (154, 1421622), (198, 1105706), (231, 947748), (252, 868769), (308, 710811), (396, 552853), (462, 473874), (693, 315916), (924, 236937), (1386, 157958), (2772, 78979)]