1998281604

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:802

約数の個数: 144

約数和(自身を含む): 5451042240

約数和(自身を除く): 3452760636

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 113, 114, 121, 132, 209, 226, 228, 242, 339, 363, 418, 452, 484, 627, 641, 678, 726, 836, 1243, 1254, 1282, 1356, 1452, 1923, 2147, 2299, 2486, 2508, 2564, 3729, 3846, 4294, 4598, 4972, 6441, 6897, 7051, 7458, 7692, 8588, 9196, 12179, 12882, 13673, 13794, 14102, 14916, 21153, 23617, 24358, 25764, 27346, 27588, 28204, 36537, 41019, 42306, 47234, 48716, 54692, 70851, 72433, 73074, 77561, 82038, 84612, 94468, 133969, 141702, 144866, 146148, 155122, 164076, 217299, 232683, 259787, 267938, 283404, 289732, 310244, 401907, 434598, 465366, 519574, 535876, 779361, 796763, 803814, 869196, 930732, 1039148, 1376227, 1473659, 1558722, 1593526, 1607628, 2390289, 2752454, 2947318, 3117444, 3187052, 4128681, 4420977, 4780578, 5504908, 5894636, 8257362, 8764393, 8841954, 9561156, 15138497, 16514724, 17528786, 17683908, 26293179, 30276994, 35057572, 45415491, 52586358, 60553988, 90830982, 105172716, 166523467, 181661964, 333046934, 499570401, 666093868, 999140802, 1998281604]

約数ペア:

[(1, 1998281604), (2, 999140802), (3, 666093868), (4, 499570401), (6, 333046934), (11, 181661964), (12, 166523467), (19, 105172716), (22, 90830982), (33, 60553988), (38, 52586358), (44, 45415491), (57, 35057572), (66, 30276994), (76, 26293179), (113, 17683908), (114, 17528786), (121, 16514724), (132, 15138497), (209, 9561156), (226, 8841954), (228, 8764393), (242, 8257362), (339, 5894636), (363, 5504908), (418, 4780578), (452, 4420977), (484, 4128681), (627, 3187052), (641, 3117444), (678, 2947318), (726, 2752454), (836, 2390289), (1243, 1607628), (1254, 1593526), (1282, 1558722), (1356, 1473659), (1452, 1376227), (1923, 1039148), (2147, 930732), (2299, 869196), (2486, 803814), (2508, 796763), (2564, 779361), (3729, 535876), (3846, 519574), (4294, 465366), (4598, 434598), (4972, 401907), (6441, 310244), (6897, 289732), (7051, 283404), (7458, 267938), (7692, 259787), (8588, 232683), (9196, 217299), (12179, 164076), (12882, 155122), (13673, 146148), (13794, 144866), (14102, 141702), (14916, 133969), (21153, 94468), (23617, 84612), (24358, 82038), (25764, 77561), (27346, 73074), (27588, 72433), (28204, 70851), (36537, 54692), (41019, 48716), (42306, 47234)]