81608128

素因数分解:

$2^6\times 7^2\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 84

約数和(自身を含む): 192325752

約数和(自身を除く): 110717624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 196, 212, 224, 371, 392, 424, 448, 491, 742, 784, 848, 982, 1484, 1568, 1696, 1964, 2597, 2968, 3136, 3392, 3437, 3928, 5194, 5936, 6874, 7856, 10388, 11872, 13748, 15712, 20776, 23744, 24059, 26023, 27496, 31424, 41552, 48118, 52046, 54992, 83104, 96236, 104092, 109984, 166208, 182161, 192472, 208184, 219968, 364322, 384944, 416368, 728644, 769888, 832736, 1275127, 1457288, 1539776, 1665472, 2550254, 2914576, 5100508, 5829152, 10201016, 11658304, 20402032, 40804064, 81608128]

約数ペア:

[(1, 81608128), (2, 40804064), (4, 20402032), (7, 11658304), (8, 10201016), (14, 5829152), (16, 5100508), (28, 2914576), (32, 2550254), (49, 1665472), (53, 1539776), (56, 1457288), (64, 1275127), (98, 832736), (106, 769888), (112, 728644), (196, 416368), (212, 384944), (224, 364322), (371, 219968), (392, 208184), (424, 192472), (448, 182161), (491, 166208), (742, 109984), (784, 104092), (848, 96236), (982, 83104), (1484, 54992), (1568, 52046), (1696, 48118), (1964, 41552), (2597, 31424), (2968, 27496), (3136, 26023), (3392, 24059), (3437, 23744), (3928, 20776), (5194, 15712), (5936, 13748), (6874, 11872), (7856, 10388)]