81872648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 183556800

約数和(自身を除く): 101684152

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 59, 88, 104, 118, 143, 236, 286, 472, 572, 649, 767, 1144, 1213, 1298, 1534, 2426, 2596, 3068, 4852, 5192, 6136, 8437, 9704, 13343, 15769, 16874, 26686, 31538, 33748, 53372, 63076, 67496, 71567, 106744, 126152, 143134, 173459, 286268, 346918, 572536, 693836, 787237, 930371, 1387672, 1574474, 1860742, 3148948, 3721484, 6297896, 7442968, 10234081, 20468162, 40936324, 81872648]

約数ペア:

[(1, 81872648), (2, 40936324), (4, 20468162), (8, 10234081), (11, 7442968), (13, 6297896), (22, 3721484), (26, 3148948), (44, 1860742), (52, 1574474), (59, 1387672), (88, 930371), (104, 787237), (118, 693836), (143, 572536), (236, 346918), (286, 286268), (472, 173459), (572, 143134), (649, 126152), (767, 106744), (1144, 71567), (1213, 67496), (1298, 63076), (1534, 53372), (2426, 33748), (2596, 31538), (3068, 26686), (4852, 16874), (5192, 15769), (6136, 13343), (8437, 9704)]