128085992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19597}}^1$

素因数の和:19665

約数の個数: 32

約数和(自身を含む): 258693600

約数和(自身を除く): 130607608

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 19597, 39194, 78388, 156776, 372343, 744686, 842671, 1489372, 1685342, 2978744, 3370684, 6741368, 16010749, 32021498, 64042996, 128085992]

約数ペア:

[(1, 128085992), (2, 64042996), (4, 32021498), (8, 16010749), (19, 6741368), (38, 3370684), (43, 2978744), (76, 1685342), (86, 1489372), (152, 842671), (172, 744686), (344, 372343), (817, 156776), (1634, 78388), (3268, 39194), (6536, 19597)]