28910268

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 78335712

約数和(自身を除く): 49425444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 97, 102, 153, 194, 204, 291, 306, 388, 487, 582, 612, 873, 974, 1164, 1461, 1649, 1746, 1948, 2922, 3298, 3492, 4383, 4947, 5844, 6596, 8279, 8766, 9894, 14841, 16558, 17532, 19788, 24837, 29682, 33116, 47239, 49674, 59364, 74511, 94478, 99348, 141717, 149022, 188956, 283434, 298044, 425151, 566868, 803063, 850302, 1606126, 1700604, 2409189, 3212252, 4818378, 7227567, 9636756, 14455134, 28910268]

約数ペア:

[(1, 28910268), (2, 14455134), (3, 9636756), (4, 7227567), (6, 4818378), (9, 3212252), (12, 2409189), (17, 1700604), (18, 1606126), (34, 850302), (36, 803063), (51, 566868), (68, 425151), (97, 298044), (102, 283434), (153, 188956), (194, 149022), (204, 141717), (291, 99348), (306, 94478), (388, 74511), (487, 59364), (582, 49674), (612, 47239), (873, 33116), (974, 29682), (1164, 24837), (1461, 19788), (1649, 17532), (1746, 16558), (1948, 14841), (2922, 9894), (3298, 8766), (3492, 8279), (4383, 6596), (4947, 5844)]