87807892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 167823040

約数和(自身を除く): 80015148

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 97, 172, 194, 277, 388, 554, 817, 1108, 1634, 1843, 3268, 3686, 4171, 5263, 7372, 8342, 10526, 11911, 16684, 21052, 23822, 26869, 47644, 53738, 79249, 107476, 158498, 226309, 316996, 452618, 510511, 905236, 1021022, 1155367, 2042044, 2310734, 4621468, 21951973, 43903946, 87807892]

約数ペア:

[(1, 87807892), (2, 43903946), (4, 21951973), (19, 4621468), (38, 2310734), (43, 2042044), (76, 1155367), (86, 1021022), (97, 905236), (172, 510511), (194, 452618), (277, 316996), (388, 226309), (554, 158498), (817, 107476), (1108, 79249), (1634, 53738), (1843, 47644), (3268, 26869), (3686, 23822), (4171, 21052), (5263, 16684), (7372, 11911), (8342, 10526)]