201615656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 429840000

約数和(自身を除く): 228224344

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 199, 232, 319, 397, 398, 638, 794, 796, 1276, 1588, 1592, 2189, 2552, 3176, 4367, 4378, 5771, 8734, 8756, 11513, 11542, 17468, 17512, 23026, 23084, 34936, 46052, 46168, 63481, 79003, 92104, 126643, 126962, 158006, 253286, 253924, 316012, 506572, 507848, 632024, 869033, 1013144, 1738066, 2291087, 3476132, 4582174, 6952264, 9164348, 18328696, 25201957, 50403914, 100807828, 201615656]

約数ペア:

[(1, 201615656), (2, 100807828), (4, 50403914), (8, 25201957), (11, 18328696), (22, 9164348), (29, 6952264), (44, 4582174), (58, 3476132), (88, 2291087), (116, 1738066), (199, 1013144), (232, 869033), (319, 632024), (397, 507848), (398, 506572), (638, 316012), (794, 253924), (796, 253286), (1276, 158006), (1588, 126962), (1592, 126643), (2189, 92104), (2552, 79003), (3176, 63481), (4367, 46168), (4378, 46052), (5771, 34936), (8734, 23084), (8756, 23026), (11513, 17512), (11542, 17468)]