199895898

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 235560102

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 174, 199, 251, 398, 502, 597, 667, 753, 1194, 1334, 1506, 2001, 4002, 4577, 5771, 5773, 7279, 9154, 11542, 11546, 13731, 14558, 17313, 17319, 21837, 27462, 34626, 34638, 43674, 49949, 99898, 132733, 149847, 167417, 265466, 299694, 334834, 398199, 502251, 796398, 1004502, 1148827, 1448521, 2297654, 2897042, 3446481, 4345563, 6892962, 8691126, 33315983, 66631966, 99947949, 199895898]

約数ペア:

[(1, 199895898), (2, 99947949), (3, 66631966), (6, 33315983), (23, 8691126), (29, 6892962), (46, 4345563), (58, 3446481), (69, 2897042), (87, 2297654), (138, 1448521), (174, 1148827), (199, 1004502), (251, 796398), (398, 502251), (502, 398199), (597, 334834), (667, 299694), (753, 265466), (1194, 167417), (1334, 149847), (1506, 132733), (2001, 99898), (4002, 49949), (4577, 43674), (5771, 34638), (5773, 34626), (7279, 27462), (9154, 21837), (11542, 17319), (11546, 17313), (13731, 14558)]