638681712

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{659}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 1684594560

約数和(自身を除く): 1045912848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 331, 366, 488, 659, 662, 732, 976, 993, 1318, 1324, 1464, 1977, 1986, 2636, 2648, 2928, 3954, 3972, 5272, 5296, 7908, 7944, 10544, 15816, 15888, 20191, 31632, 40199, 40382, 60573, 80398, 80764, 120597, 121146, 160796, 161528, 218129, 241194, 242292, 321592, 323056, 436258, 482388, 484584, 643184, 654387, 872516, 964776, 969168, 1308774, 1745032, 1929552, 2617548, 3490064, 5235096, 10470192, 13305869, 26611738, 39917607, 53223476, 79835214, 106446952, 159670428, 212893904, 319340856, 638681712]

約数ペア:

[(1, 638681712), (2, 319340856), (3, 212893904), (4, 159670428), (6, 106446952), (8, 79835214), (12, 53223476), (16, 39917607), (24, 26611738), (48, 13305869), (61, 10470192), (122, 5235096), (183, 3490064), (244, 2617548), (331, 1929552), (366, 1745032), (488, 1308774), (659, 969168), (662, 964776), (732, 872516), (976, 654387), (993, 643184), (1318, 484584), (1324, 482388), (1464, 436258), (1977, 323056), (1986, 321592), (2636, 242292), (2648, 241194), (2928, 218129), (3954, 161528), (3972, 160796), (5272, 121146), (5296, 120597), (7908, 80764), (7944, 80398), (10544, 60573), (15816, 40382), (15888, 40199), (20191, 31632)]