258375568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{2269}}^1$

素因数の和:2935

約数の個数: 40

約数和(自身を含む): 547197120

約数和(自身を除く): 288821552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 647, 1294, 2269, 2588, 4538, 5176, 7117, 9076, 10352, 14234, 18152, 24959, 28468, 36304, 49918, 56936, 99836, 113872, 199672, 399344, 1468043, 2936086, 5872172, 11744344, 16148473, 23488688, 32296946, 64593892, 129187784, 258375568]

約数ペア:

[(1, 258375568), (2, 129187784), (4, 64593892), (8, 32296946), (11, 23488688), (16, 16148473), (22, 11744344), (44, 5872172), (88, 2936086), (176, 1468043), (647, 399344), (1294, 199672), (2269, 113872), (2588, 99836), (4538, 56936), (5176, 49918), (7117, 36304), (9076, 28468), (10352, 24959), (14234, 18152)]