81394488

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23071}}^1$

素因数の和:23097

約数の個数: 72

約数和(自身を含む): 256445280

約数和(自身を除く): 175050792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 23071, 46142, 69213, 92284, 138426, 161497, 184568, 207639, 276852, 322994, 415278, 484491, 553704, 645988, 830556, 968982, 1130479, 1291976, 1453473, 1661112, 1937964, 2260958, 2906946, 3391437, 3875928, 4521916, 5813892, 6782874, 9043832, 10174311, 11627784, 13565748, 20348622, 27131496, 40697244, 81394488]

約数ペア:

[(1, 81394488), (2, 40697244), (3, 27131496), (4, 20348622), (6, 13565748), (7, 11627784), (8, 10174311), (9, 9043832), (12, 6782874), (14, 5813892), (18, 4521916), (21, 3875928), (24, 3391437), (28, 2906946), (36, 2260958), (42, 1937964), (49, 1661112), (56, 1453473), (63, 1291976), (72, 1130479), (84, 968982), (98, 830556), (126, 645988), (147, 553704), (168, 484491), (196, 415278), (252, 322994), (294, 276852), (392, 207639), (441, 184568), (504, 161497), (588, 138426), (882, 92284), (1176, 69213), (1764, 46142), (3528, 23071)]