641784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 96

約数和(自身を含む): 2010960

約数和(自身を除く): 1369176

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 121, 132, 136, 143, 156, 187, 204, 221, 242, 264, 286, 312, 363, 374, 408, 429, 442, 484, 561, 572, 663, 726, 748, 858, 884, 968, 1122, 1144, 1326, 1452, 1496, 1573, 1716, 1768, 2057, 2244, 2431, 2652, 2904, 3146, 3432, 4114, 4488, 4719, 4862, 5304, 6171, 6292, 7293, 8228, 9438, 9724, 12342, 12584, 14586, 16456, 18876, 19448, 24684, 26741, 29172, 37752, 49368, 53482, 58344, 80223, 106964, 160446, 213928, 320892, 641784]

約数ペア:

[(1, 641784), (2, 320892), (3, 213928), (4, 160446), (6, 106964), (8, 80223), (11, 58344), (12, 53482), (13, 49368), (17, 37752), (22, 29172), (24, 26741), (26, 24684), (33, 19448), (34, 18876), (39, 16456), (44, 14586), (51, 12584), (52, 12342), (66, 9724), (68, 9438), (78, 8228), (88, 7293), (102, 6292), (104, 6171), (121, 5304), (132, 4862), (136, 4719), (143, 4488), (156, 4114), (187, 3432), (204, 3146), (221, 2904), (242, 2652), (264, 2431), (286, 2244), (312, 2057), (363, 1768), (374, 1716), (408, 1573), (429, 1496), (442, 1452), (484, 1326), (561, 1144), (572, 1122), (663, 968), (726, 884), (748, 858)]