201715818

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 440294400

約数和(自身を除く): 238578582

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 103, 114, 123, 206, 246, 309, 419, 618, 779, 838, 1257, 1558, 1957, 2337, 2514, 3914, 4223, 4674, 5871, 7961, 8446, 11742, 12669, 15922, 17179, 23883, 25338, 34358, 43157, 47766, 51537, 80237, 86314, 103074, 129471, 160474, 240711, 258942, 326401, 481422, 652802, 819983, 979203, 1639966, 1769437, 1958406, 2459949, 3538874, 4919898, 5308311, 10616622, 33619303, 67238606, 100857909, 201715818]

約数ペア:

[(1, 201715818), (2, 100857909), (3, 67238606), (6, 33619303), (19, 10616622), (38, 5308311), (41, 4919898), (57, 3538874), (82, 2459949), (103, 1958406), (114, 1769437), (123, 1639966), (206, 979203), (246, 819983), (309, 652802), (419, 481422), (618, 326401), (779, 258942), (838, 240711), (1257, 160474), (1558, 129471), (1957, 103074), (2337, 86314), (2514, 80237), (3914, 51537), (4223, 47766), (4674, 43157), (5871, 34358), (7961, 25338), (8446, 23883), (11742, 17179), (12669, 15922)]