268528821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 429649920

約数和(自身を除く): 161121099

約数列:

[1, 3, 11, 17, 33, 51, 73, 79, 83, 187, 219, 237, 249, 561, 803, 869, 913, 1241, 1343, 1411, 2409, 2607, 2739, 3723, 4029, 4233, 5767, 6059, 6557, 13651, 14773, 15521, 17301, 18177, 19671, 40953, 44319, 46563, 63437, 66649, 72127, 98039, 103003, 111469, 190311, 199947, 216381, 294117, 309009, 334407, 478661, 1078429, 1133033, 1226159, 1435983, 3235287, 3399099, 3678477, 5265271, 8137237, 15795813, 24411711, 89509607, 268528821]

約数ペア:

[(1, 268528821), (3, 89509607), (11, 24411711), (17, 15795813), (33, 8137237), (51, 5265271), (73, 3678477), (79, 3399099), (83, 3235287), (187, 1435983), (219, 1226159), (237, 1133033), (249, 1078429), (561, 478661), (803, 334407), (869, 309009), (913, 294117), (1241, 216381), (1343, 199947), (1411, 190311), (2409, 111469), (2607, 103003), (2739, 98039), (3723, 72127), (4029, 66649), (4233, 63437), (5767, 46563), (6059, 44319), (6557, 40953), (13651, 19671), (14773, 18177), (15521, 17301)]