81528804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19031}}^1$

素因数の和:19065

約数の個数: 72

約数和(自身を含む): 249395328

約数和(自身を除く): 167866524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 19031, 38062, 57093, 76124, 114186, 133217, 171279, 228372, 266434, 323527, 342558, 399651, 532868, 647054, 685116, 799302, 970581, 1198953, 1294108, 1598604, 1941162, 2264689, 2397906, 2911743, 3882324, 4529378, 4795812, 5823486, 6794067, 9058756, 11646972, 13588134, 20382201, 27176268, 40764402, 81528804]

約数ペア:

[(1, 81528804), (2, 40764402), (3, 27176268), (4, 20382201), (6, 13588134), (7, 11646972), (9, 9058756), (12, 6794067), (14, 5823486), (17, 4795812), (18, 4529378), (21, 3882324), (28, 2911743), (34, 2397906), (36, 2264689), (42, 1941162), (51, 1598604), (63, 1294108), (68, 1198953), (84, 970581), (102, 799302), (119, 685116), (126, 647054), (153, 532868), (204, 399651), (238, 342558), (252, 323527), (306, 266434), (357, 228372), (476, 171279), (612, 133217), (714, 114186), (1071, 76124), (1428, 57093), (2142, 38062), (4284, 19031)]