771679548

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 2130128000

約数和(自身を除く): 1358448452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 43, 54, 74, 81, 86, 108, 111, 129, 148, 162, 172, 222, 243, 258, 324, 333, 387, 444, 486, 499, 516, 666, 774, 972, 998, 999, 1161, 1332, 1497, 1548, 1591, 1996, 1998, 2322, 2994, 2997, 3182, 3483, 3996, 4491, 4644, 4773, 5988, 5994, 6364, 6966, 8982, 8991, 9546, 10449, 11988, 13473, 13932, 14319, 17964, 17982, 18463, 19092, 20898, 21457, 26946, 28638, 35964, 36926, 40419, 41796, 42914, 42957, 53892, 55389, 57276, 64371, 73852, 80838, 85828, 85914, 110778, 121257, 128742, 128871, 161676, 166167, 171828, 193113, 221556, 242514, 257484, 257742, 332334, 386226, 386613, 485028, 498501, 515484, 579339, 664668, 772452, 773226, 793909, 997002, 1158678, 1495503, 1546452, 1587818, 1738017, 1994004, 2317356, 2381727, 2991006, 3175636, 3476034, 4486509, 4763454, 5214051, 5982012, 6952068, 7145181, 8973018, 9526908, 10428102, 14290362, 17946036, 20856204, 21435543, 28580724, 42871086, 64306629, 85742172, 128613258, 192919887, 257226516, 385839774, 771679548]

約数ペア:

[(1, 771679548), (2, 385839774), (3, 257226516), (4, 192919887), (6, 128613258), (9, 85742172), (12, 64306629), (18, 42871086), (27, 28580724), (36, 21435543), (37, 20856204), (43, 17946036), (54, 14290362), (74, 10428102), (81, 9526908), (86, 8973018), (108, 7145181), (111, 6952068), (129, 5982012), (148, 5214051), (162, 4763454), (172, 4486509), (222, 3476034), (243, 3175636), (258, 2991006), (324, 2381727), (333, 2317356), (387, 1994004), (444, 1738017), (486, 1587818), (499, 1546452), (516, 1495503), (666, 1158678), (774, 997002), (972, 793909), (998, 773226), (999, 772452), (1161, 664668), (1332, 579339), (1497, 515484), (1548, 498501), (1591, 485028), (1996, 386613), (1998, 386226), (2322, 332334), (2994, 257742), (2997, 257484), (3182, 242514), (3483, 221556), (3996, 193113), (4491, 171828), (4644, 166167), (4773, 161676), (5988, 128871), (5994, 128742), (6364, 121257), (6966, 110778), (8982, 85914), (8991, 85828), (9546, 80838), (10449, 73852), (11988, 64371), (13473, 57276), (13932, 55389), (14319, 53892), (17964, 42957), (17982, 42914), (18463, 41796), (19092, 40419), (20898, 36926), (21457, 35964), (26946, 28638)]