16561376

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 36006768

約数和(自身を除く): 19445392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 971, 1066, 1312, 1942, 2132, 3884, 4264, 7768, 8528, 12623, 15536, 17056, 25246, 31072, 39811, 50492, 79622, 100984, 159244, 201968, 318488, 403936, 517543, 636976, 1035086, 1273952, 2070172, 4140344, 8280688, 16561376]

約数ペア:

[(1, 16561376), (2, 8280688), (4, 4140344), (8, 2070172), (13, 1273952), (16, 1035086), (26, 636976), (32, 517543), (41, 403936), (52, 318488), (82, 201968), (104, 159244), (164, 100984), (208, 79622), (328, 50492), (416, 39811), (533, 31072), (656, 25246), (971, 17056), (1066, 15536), (1312, 12623), (1942, 8528), (2132, 7768), (3884, 4264)]