31259408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 60

約数和(自身を含む): 66491280

約数和(自身を除く): 35231872

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 107, 124, 152, 214, 248, 304, 428, 496, 589, 856, 961, 1178, 1712, 1922, 2033, 2356, 3317, 3844, 4066, 4712, 6634, 7688, 8132, 9424, 13268, 15376, 16264, 18259, 26536, 32528, 36518, 53072, 63023, 73036, 102827, 126046, 146072, 205654, 252092, 292144, 411308, 504184, 822616, 1008368, 1645232, 1953713, 3907426, 7814852, 15629704, 31259408]

約数ペア:

[(1, 31259408), (2, 15629704), (4, 7814852), (8, 3907426), (16, 1953713), (19, 1645232), (31, 1008368), (38, 822616), (62, 504184), (76, 411308), (107, 292144), (124, 252092), (152, 205654), (214, 146072), (248, 126046), (304, 102827), (428, 73036), (496, 63023), (589, 53072), (856, 36518), (961, 32528), (1178, 26536), (1712, 18259), (1922, 16264), (2033, 15376), (2356, 13268), (3317, 9424), (3844, 8132), (4066, 7688), (4712, 6634)]