207172028

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 427574784

約数和(自身を除く): 220402756

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 311, 518, 622, 643, 1036, 1244, 1286, 2177, 2572, 4354, 4501, 8708, 9002, 11507, 18004, 23014, 23791, 46028, 47582, 80549, 95164, 161098, 166537, 199973, 322196, 333074, 399946, 666148, 799892, 1399811, 2799622, 5599244, 7399001, 14798002, 29596004, 51793007, 103586014, 207172028]

約数ペア:

[(1, 207172028), (2, 103586014), (4, 51793007), (7, 29596004), (14, 14798002), (28, 7399001), (37, 5599244), (74, 2799622), (148, 1399811), (259, 799892), (311, 666148), (518, 399946), (622, 333074), (643, 322196), (1036, 199973), (1244, 166537), (1286, 161098), (2177, 95164), (2572, 80549), (4354, 47582), (4501, 46028), (8708, 23791), (9002, 23014), (11507, 18004)]