128667532

素因数分解:

$2^2\times 7^3\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 264499200

約数和(自身を除く): 135831668

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 191, 196, 343, 382, 491, 686, 764, 982, 1337, 1372, 1964, 2674, 3437, 5348, 6874, 9359, 13748, 18718, 24059, 37436, 48118, 65513, 93781, 96236, 131026, 168413, 187562, 262052, 336826, 375124, 656467, 673652, 1312934, 2625868, 4595269, 9190538, 18381076, 32166883, 64333766, 128667532]

約数ペア:

[(1, 128667532), (2, 64333766), (4, 32166883), (7, 18381076), (14, 9190538), (28, 4595269), (49, 2625868), (98, 1312934), (191, 673652), (196, 656467), (343, 375124), (382, 336826), (491, 262052), (686, 187562), (764, 168413), (982, 131026), (1337, 96236), (1372, 93781), (1964, 65513), (2674, 48118), (3437, 37436), (5348, 24059), (6874, 18718), (9359, 13748)]