664943968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 1463132160

約数和(自身を除く): 798188192

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 71, 94, 104, 142, 188, 208, 284, 376, 416, 479, 568, 611, 752, 923, 958, 1136, 1222, 1504, 1846, 1916, 2272, 2444, 3337, 3692, 3832, 4888, 6227, 6674, 7384, 7664, 9776, 12454, 13348, 14768, 15328, 19552, 22513, 24908, 26696, 29536, 34009, 43381, 45026, 49816, 53392, 68018, 86762, 90052, 99632, 106784, 136036, 173524, 180104, 199264, 272072, 292669, 347048, 360208, 442117, 544144, 585338, 694096, 720416, 884234, 1088288, 1170676, 1388192, 1598423, 1768468, 2341352, 3196846, 3536936, 4682704, 6393692, 7073872, 9365408, 12787384, 14147744, 20779499, 25574768, 41558998, 51149536, 83117996, 166235992, 332471984, 664943968]

約数ペア:

[(1, 664943968), (2, 332471984), (4, 166235992), (8, 83117996), (13, 51149536), (16, 41558998), (26, 25574768), (32, 20779499), (47, 14147744), (52, 12787384), (71, 9365408), (94, 7073872), (104, 6393692), (142, 4682704), (188, 3536936), (208, 3196846), (284, 2341352), (376, 1768468), (416, 1598423), (479, 1388192), (568, 1170676), (611, 1088288), (752, 884234), (923, 720416), (958, 694096), (1136, 585338), (1222, 544144), (1504, 442117), (1846, 360208), (1916, 347048), (2272, 292669), (2444, 272072), (3337, 199264), (3692, 180104), (3832, 173524), (4888, 136036), (6227, 106784), (6674, 99632), (7384, 90052), (7664, 86762), (9776, 68018), (12454, 53392), (13348, 49816), (14768, 45026), (15328, 43381), (19552, 34009), (22513, 29536), (24908, 26696)]