388142008

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{2539}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 739292400

約数和(自身を除く): 351150392

約数列:

[1, 2, 4, 8, 97, 194, 197, 388, 394, 776, 788, 1576, 2539, 5078, 10156, 19109, 20312, 38218, 76436, 152872, 246283, 492566, 500183, 985132, 1000366, 1970264, 2000732, 4001464, 48517751, 97035502, 194071004, 388142008]

約数ペア:

[(1, 388142008), (2, 194071004), (4, 97035502), (8, 48517751), (97, 4001464), (194, 2000732), (197, 1970264), (388, 1000366), (394, 985132), (776, 500183), (788, 492566), (1576, 246283), (2539, 152872), (5078, 76436), (10156, 38218), (19109, 20312)]