66821888

素因数分解:

$2^8\times 7^3\times {\mathrm{761}}^1$

素因数の和:798

約数の個数: 72

約数和(自身を含む): 155752800

約数和(自身を除く): 88930912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 761, 784, 896, 1372, 1522, 1568, 1792, 2744, 3044, 3136, 5327, 5488, 6088, 6272, 10654, 10976, 12176, 12544, 21308, 21952, 24352, 37289, 42616, 43904, 48704, 74578, 85232, 87808, 97408, 149156, 170464, 194816, 261023, 298312, 340928, 522046, 596624, 681856, 1044092, 1193248, 1363712, 2088184, 2386496, 4176368, 4772992, 8352736, 9545984, 16705472, 33410944, 66821888]

約数ペア:

[(1, 66821888), (2, 33410944), (4, 16705472), (7, 9545984), (8, 8352736), (14, 4772992), (16, 4176368), (28, 2386496), (32, 2088184), (49, 1363712), (56, 1193248), (64, 1044092), (98, 681856), (112, 596624), (128, 522046), (196, 340928), (224, 298312), (256, 261023), (343, 194816), (392, 170464), (448, 149156), (686, 97408), (761, 87808), (784, 85232), (896, 74578), (1372, 48704), (1522, 43904), (1568, 42616), (1792, 37289), (2744, 24352), (3044, 21952), (3136, 21308), (5327, 12544), (5488, 12176), (6088, 10976), (6272, 10654)]