688472596

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 1501403904

約数和(自身を除く): 812931308

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 131, 181, 238, 244, 262, 362, 427, 476, 524, 724, 854, 917, 1037, 1267, 1708, 1834, 2074, 2227, 2534, 3077, 3668, 4148, 4454, 5068, 6154, 7259, 7991, 8908, 11041, 12308, 14518, 15589, 15982, 21539, 22082, 23711, 29036, 31178, 31964, 43078, 44164, 47422, 55937, 62356, 77287, 86156, 94844, 111874, 135847, 154574, 165977, 187697, 223748, 271694, 309148, 331954, 375394, 403087, 543388, 663908, 750788, 806174, 950929, 1313879, 1446371, 1612348, 1901858, 2627758, 2821609, 2892742, 3803716, 5255516, 5643218, 5785484, 10124597, 11286436, 20249194, 24588307, 40498388, 49176614, 98353228, 172118149, 344236298, 688472596]

約数ペア:

[(1, 688472596), (2, 344236298), (4, 172118149), (7, 98353228), (14, 49176614), (17, 40498388), (28, 24588307), (34, 20249194), (61, 11286436), (68, 10124597), (119, 5785484), (122, 5643218), (131, 5255516), (181, 3803716), (238, 2892742), (244, 2821609), (262, 2627758), (362, 1901858), (427, 1612348), (476, 1446371), (524, 1313879), (724, 950929), (854, 806174), (917, 750788), (1037, 663908), (1267, 543388), (1708, 403087), (1834, 375394), (2074, 331954), (2227, 309148), (2534, 271694), (3077, 223748), (3668, 187697), (4148, 165977), (4454, 154574), (5068, 135847), (6154, 111874), (7259, 94844), (7991, 86156), (8908, 77287), (11041, 62356), (12308, 55937), (14518, 47422), (15589, 44164), (15982, 43078), (21539, 31964), (22082, 31178), (23711, 29036)]