198995784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1117}}^1$

素因数の和:1710

約数の個数: 64

約数和(自身を含む): 537176640

約数和(自身を除く): 338180856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 571, 1117, 1142, 1713, 2234, 2284, 3351, 3426, 4468, 4568, 6702, 6852, 7423, 8936, 13404, 13704, 14521, 14846, 22269, 26808, 29042, 29692, 43563, 44538, 58084, 59384, 87126, 89076, 116168, 174252, 178152, 348504, 637807, 1275614, 1913421, 2551228, 3826842, 5102456, 7653684, 8291491, 15307368, 16582982, 24874473, 33165964, 49748946, 66331928, 99497892, 198995784]

約数ペア:

[(1, 198995784), (2, 99497892), (3, 66331928), (4, 49748946), (6, 33165964), (8, 24874473), (12, 16582982), (13, 15307368), (24, 8291491), (26, 7653684), (39, 5102456), (52, 3826842), (78, 2551228), (104, 1913421), (156, 1275614), (312, 637807), (571, 348504), (1117, 178152), (1142, 174252), (1713, 116168), (2234, 89076), (2284, 87126), (3351, 59384), (3426, 58084), (4468, 44538), (4568, 43563), (6702, 29692), (6852, 29042), (7423, 26808), (8936, 22269), (13404, 14846), (13704, 14521)]