10991988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 32393088

約数和(自身を除く): 21401100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 823, 954, 1113, 1484, 1646, 1908, 2226, 2469, 3292, 3339, 4452, 4938, 5761, 6678, 7407, 9876, 11522, 13356, 14814, 17283, 23044, 29628, 34566, 43619, 51849, 69132, 87238, 103698, 130857, 174476, 207396, 261714, 305333, 392571, 523428, 610666, 785142, 915999, 1221332, 1570284, 1831998, 2747997, 3663996, 5495994, 10991988]

約数ペア:

[(1, 10991988), (2, 5495994), (3, 3663996), (4, 2747997), (6, 1831998), (7, 1570284), (9, 1221332), (12, 915999), (14, 785142), (18, 610666), (21, 523428), (28, 392571), (36, 305333), (42, 261714), (53, 207396), (63, 174476), (84, 130857), (106, 103698), (126, 87238), (159, 69132), (212, 51849), (252, 43619), (318, 34566), (371, 29628), (477, 23044), (636, 17283), (742, 14814), (823, 13356), (954, 11522), (1113, 9876), (1484, 7407), (1646, 6678), (1908, 5761), (2226, 4938), (2469, 4452), (3292, 3339)]