31217312

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:530

約数の個数: 72

約数和(自身を含む): 73313856

約数和(自身を除く): 42096544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 344, 392, 463, 602, 688, 784, 926, 1204, 1376, 1568, 1852, 2107, 2408, 3241, 3704, 4214, 4816, 6482, 7408, 8428, 9632, 12964, 14816, 16856, 19909, 22687, 25928, 33712, 39818, 45374, 51856, 67424, 79636, 90748, 103712, 139363, 159272, 181496, 278726, 318544, 362992, 557452, 637088, 725984, 975541, 1114904, 1951082, 2229808, 3902164, 4459616, 7804328, 15608656, 31217312]

約数ペア:

[(1, 31217312), (2, 15608656), (4, 7804328), (7, 4459616), (8, 3902164), (14, 2229808), (16, 1951082), (28, 1114904), (32, 975541), (43, 725984), (49, 637088), (56, 557452), (86, 362992), (98, 318544), (112, 278726), (172, 181496), (196, 159272), (224, 139363), (301, 103712), (344, 90748), (392, 79636), (463, 67424), (602, 51856), (688, 45374), (784, 39818), (926, 33712), (1204, 25928), (1376, 22687), (1568, 19909), (1852, 16856), (2107, 14816), (2408, 12964), (3241, 9632), (3704, 8428), (4214, 7408), (4816, 6482)]