66735872

素因数分解:

$2^8\times 7^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 153839616

約数和(自身を除く): 87103744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 167, 223, 224, 256, 334, 446, 448, 668, 892, 896, 1169, 1336, 1561, 1784, 1792, 2338, 2672, 3122, 3568, 4676, 5344, 6244, 7136, 9352, 10688, 12488, 14272, 18704, 21376, 24976, 28544, 37241, 37408, 42752, 49952, 57088, 74482, 74816, 99904, 148964, 149632, 199808, 260687, 297928, 299264, 399616, 521374, 595856, 1042748, 1191712, 2085496, 2383424, 4170992, 4766848, 8341984, 9533696, 16683968, 33367936, 66735872]

約数ペア:

[(1, 66735872), (2, 33367936), (4, 16683968), (7, 9533696), (8, 8341984), (14, 4766848), (16, 4170992), (28, 2383424), (32, 2085496), (56, 1191712), (64, 1042748), (112, 595856), (128, 521374), (167, 399616), (223, 299264), (224, 297928), (256, 260687), (334, 199808), (446, 149632), (448, 148964), (668, 99904), (892, 74816), (896, 74482), (1169, 57088), (1336, 49952), (1561, 42752), (1784, 37408), (1792, 37241), (2338, 28544), (2672, 24976), (3122, 21376), (3568, 18704), (4676, 14272), (5344, 12488), (6244, 10688), (7136, 9352)]