211301748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{853}}^1\times {\mathrm{983}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 611764608

約数和(自身を除く): 400462860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 853, 983, 1706, 1966, 2559, 2949, 3412, 3932, 5118, 5898, 5971, 6881, 7677, 8847, 10236, 11796, 11942, 13762, 15354, 17694, 17913, 20643, 23884, 27524, 30708, 35388, 35826, 41286, 53739, 61929, 71652, 82572, 107478, 123858, 214956, 247716, 838499, 1676998, 2515497, 3353996, 5030994, 5869493, 7546491, 10061988, 11738986, 15092982, 17608479, 23477972, 30185964, 35216958, 52825437, 70433916, 105650874, 211301748]

約数ペア:

[(1, 211301748), (2, 105650874), (3, 70433916), (4, 52825437), (6, 35216958), (7, 30185964), (9, 23477972), (12, 17608479), (14, 15092982), (18, 11738986), (21, 10061988), (28, 7546491), (36, 5869493), (42, 5030994), (63, 3353996), (84, 2515497), (126, 1676998), (252, 838499), (853, 247716), (983, 214956), (1706, 123858), (1966, 107478), (2559, 82572), (2949, 71652), (3412, 61929), (3932, 53739), (5118, 41286), (5898, 35826), (5971, 35388), (6881, 30708), (7677, 27524), (8847, 23884), (10236, 20643), (11796, 17913), (11942, 17694), (13762, 15354)]