31109984

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 65463552

約数和(自身を除く): 34353568

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 86, 92, 172, 184, 344, 368, 688, 736, 983, 989, 1376, 1966, 1978, 3932, 3956, 7864, 7912, 15728, 15824, 22609, 31456, 31648, 42269, 45218, 84538, 90436, 169076, 180872, 338152, 361744, 676304, 723488, 972187, 1352608, 1944374, 3888748, 7777496, 15554992, 31109984]

約数ペア:

[(1, 31109984), (2, 15554992), (4, 7777496), (8, 3888748), (16, 1944374), (23, 1352608), (32, 972187), (43, 723488), (46, 676304), (86, 361744), (92, 338152), (172, 180872), (184, 169076), (344, 90436), (368, 84538), (688, 45218), (736, 42269), (983, 31648), (989, 31456), (1376, 22609), (1966, 15824), (1978, 15728), (3932, 7912), (3956, 7864)]