198475888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30781}}^1$

素因数の和:30833

約数の個数: 40

約数和(自身を含む): 427500416

約数和(自身を除く): 229024528

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 30781, 61562, 123124, 246248, 400153, 492496, 800306, 954211, 1600612, 1908422, 3201224, 3816844, 6402448, 7633688, 12404743, 15267376, 24809486, 49618972, 99237944, 198475888]

約数ペア:

[(1, 198475888), (2, 99237944), (4, 49618972), (8, 24809486), (13, 15267376), (16, 12404743), (26, 7633688), (31, 6402448), (52, 3816844), (62, 3201224), (104, 1908422), (124, 1600612), (208, 954211), (248, 800306), (403, 492496), (496, 400153), (806, 246248), (1612, 123124), (3224, 61562), (6448, 30781)]