388675551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{16519}}^1$

素因数の和:16587

約数の個数: 32

約数和(自身を含む): 608993280

約数和(自身を除く): 220317729

約数列:

[1, 3, 11, 23, 31, 33, 69, 93, 253, 341, 713, 759, 1023, 2139, 7843, 16519, 23529, 49557, 181709, 379937, 512089, 545127, 1139811, 1536267, 4179307, 5632979, 11778047, 12537921, 16898937, 35334141, 129558517, 388675551]

約数ペア:

[(1, 388675551), (3, 129558517), (11, 35334141), (23, 16898937), (31, 12537921), (33, 11778047), (69, 5632979), (93, 4179307), (253, 1536267), (341, 1139811), (713, 545127), (759, 512089), (1023, 379937), (2139, 181709), (7843, 49557), (16519, 23529)]