217080578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 406473984

約数和(自身を除く): 189393406

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 61, 122, 143, 253, 286, 299, 506, 541, 598, 671, 793, 1082, 1342, 1403, 1586, 2806, 3289, 5951, 6578, 7033, 8723, 11902, 12443, 14066, 15433, 17446, 18239, 24886, 30866, 33001, 36478, 66002, 77363, 136873, 154726, 161759, 200629, 273746, 323518, 363011, 401258, 429013, 726022, 759023, 858026, 1518046, 1779349, 3558698, 4719143, 8349253, 9438286, 9867299, 16698506, 19734598, 108540289, 217080578]

約数ペア:

[(1, 217080578), (2, 108540289), (11, 19734598), (13, 16698506), (22, 9867299), (23, 9438286), (26, 8349253), (46, 4719143), (61, 3558698), (122, 1779349), (143, 1518046), (253, 858026), (286, 759023), (299, 726022), (506, 429013), (541, 401258), (598, 363011), (671, 323518), (793, 273746), (1082, 200629), (1342, 161759), (1403, 154726), (1586, 136873), (2806, 77363), (3289, 66002), (5951, 36478), (6578, 33001), (7033, 30866), (8723, 24886), (11902, 18239), (12443, 17446), (14066, 15433)]