638240724

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:990

約数の個数: 144

約数和(自身を含む): 1882258560

約数和(自身を除く): 1244017836

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 113, 132, 153, 187, 198, 204, 226, 306, 339, 374, 396, 452, 561, 612, 678, 748, 839, 1017, 1122, 1243, 1356, 1678, 1683, 1921, 2034, 2244, 2486, 2517, 3356, 3366, 3729, 3842, 4068, 4972, 5034, 5763, 6732, 7458, 7551, 7684, 9229, 10068, 11187, 11526, 14263, 14916, 15102, 17289, 18458, 21131, 22374, 23052, 27687, 28526, 30204, 34578, 36916, 42262, 42789, 44748, 55374, 57052, 63393, 69156, 83061, 84524, 85578, 94807, 110748, 126786, 128367, 156893, 166122, 171156, 189614, 190179, 253572, 256734, 284421, 313786, 332244, 379228, 380358, 470679, 513468, 568842, 627572, 760716, 853263, 941358, 1042877, 1137684, 1412037, 1611719, 1706526, 1882716, 2085754, 2824074, 3128631, 3223438, 3413052, 4171508, 4835157, 5648148, 6257262, 6446876, 9385893, 9670314, 12514524, 14505471, 17728909, 18771786, 19340628, 29010942, 35457818, 37543572, 53186727, 58021884, 70915636, 106373454, 159560181, 212746908, 319120362, 638240724]

約数ペア:

[(1, 638240724), (2, 319120362), (3, 212746908), (4, 159560181), (6, 106373454), (9, 70915636), (11, 58021884), (12, 53186727), (17, 37543572), (18, 35457818), (22, 29010942), (33, 19340628), (34, 18771786), (36, 17728909), (44, 14505471), (51, 12514524), (66, 9670314), (68, 9385893), (99, 6446876), (102, 6257262), (113, 5648148), (132, 4835157), (153, 4171508), (187, 3413052), (198, 3223438), (204, 3128631), (226, 2824074), (306, 2085754), (339, 1882716), (374, 1706526), (396, 1611719), (452, 1412037), (561, 1137684), (612, 1042877), (678, 941358), (748, 853263), (839, 760716), (1017, 627572), (1122, 568842), (1243, 513468), (1356, 470679), (1678, 380358), (1683, 379228), (1921, 332244), (2034, 313786), (2244, 284421), (2486, 256734), (2517, 253572), (3356, 190179), (3366, 189614), (3729, 171156), (3842, 166122), (4068, 156893), (4972, 128367), (5034, 126786), (5763, 110748), (6732, 94807), (7458, 85578), (7551, 84524), (7684, 83061), (9229, 69156), (10068, 63393), (11187, 57052), (11526, 55374), (14263, 44748), (14916, 42789), (15102, 42262), (17289, 36916), (18458, 34578), (21131, 30204), (22374, 28526), (23052, 27687)]