77871976

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 191520000

約数和(自身を除く): 113648024

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 49, 52, 56, 59, 74, 91, 98, 104, 118, 148, 182, 196, 236, 259, 296, 343, 364, 392, 413, 472, 481, 518, 637, 686, 728, 767, 826, 962, 1036, 1274, 1372, 1534, 1652, 1813, 1924, 2072, 2183, 2548, 2744, 2891, 3068, 3304, 3367, 3626, 3848, 4366, 4459, 5096, 5369, 5782, 6136, 6734, 7252, 8732, 8918, 10738, 11564, 12691, 13468, 14504, 15281, 17464, 17836, 20237, 21476, 23128, 23569, 25382, 26936, 28379, 30562, 35672, 37583, 40474, 42952, 47138, 50764, 56758, 61124, 75166, 80948, 94276, 101528, 106967, 113516, 122248, 150332, 161896, 164983, 188552, 198653, 213934, 227032, 263081, 300664, 329966, 397306, 427868, 526162, 659932, 748769, 794612, 855736, 1052324, 1319864, 1390571, 1497538, 1589224, 2104648, 2781142, 2995076, 5562284, 5990152, 9733997, 11124568, 19467994, 38935988, 77871976]

約数ペア:

[(1, 77871976), (2, 38935988), (4, 19467994), (7, 11124568), (8, 9733997), (13, 5990152), (14, 5562284), (26, 2995076), (28, 2781142), (37, 2104648), (49, 1589224), (52, 1497538), (56, 1390571), (59, 1319864), (74, 1052324), (91, 855736), (98, 794612), (104, 748769), (118, 659932), (148, 526162), (182, 427868), (196, 397306), (236, 329966), (259, 300664), (296, 263081), (343, 227032), (364, 213934), (392, 198653), (413, 188552), (472, 164983), (481, 161896), (518, 150332), (637, 122248), (686, 113516), (728, 106967), (767, 101528), (826, 94276), (962, 80948), (1036, 75166), (1274, 61124), (1372, 56758), (1534, 50764), (1652, 47138), (1813, 42952), (1924, 40474), (2072, 37583), (2183, 35672), (2548, 30562), (2744, 28379), (2891, 26936), (3068, 25382), (3304, 23569), (3367, 23128), (3626, 21476), (3848, 20237), (4366, 17836), (4459, 17464), (5096, 15281), (5369, 14504), (5782, 13468), (6136, 12691), (6734, 11564), (7252, 10738), (8732, 8918)]