71623888

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 80

約数和(自身を含む): 167449600

約数和(自身を除く): 95825712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 421, 434, 496, 686, 784, 842, 868, 1372, 1519, 1684, 1736, 2744, 2947, 3038, 3368, 3472, 5488, 5894, 6076, 6736, 10633, 11788, 12152, 13051, 20629, 21266, 23576, 24304, 26102, 41258, 42532, 47152, 52204, 82516, 85064, 91357, 104408, 144403, 165032, 170128, 182714, 208816, 288806, 330064, 365428, 577612, 639499, 730856, 1155224, 1278998, 1461712, 2310448, 2557996, 4476493, 5115992, 8952986, 10231984, 17905972, 35811944, 71623888]

約数ペア:

[(1, 71623888), (2, 35811944), (4, 17905972), (7, 10231984), (8, 8952986), (14, 5115992), (16, 4476493), (28, 2557996), (31, 2310448), (49, 1461712), (56, 1278998), (62, 1155224), (98, 730856), (112, 639499), (124, 577612), (196, 365428), (217, 330064), (248, 288806), (343, 208816), (392, 182714), (421, 170128), (434, 165032), (496, 144403), (686, 104408), (784, 91357), (842, 85064), (868, 82516), (1372, 52204), (1519, 47152), (1684, 42532), (1736, 41258), (2744, 26102), (2947, 24304), (3038, 23576), (3368, 21266), (3472, 20629), (5488, 13051), (5894, 12152), (6076, 11788), (6736, 10633)]