12211775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 16308480

約数和(自身を除く): 4096705

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 547, 893, 1175, 2735, 4465, 10393, 13675, 22325, 25709, 51965, 128545, 259825, 488471, 642725, 2442355, 12211775]

約数ペア:

[(1, 12211775), (5, 2442355), (19, 642725), (25, 488471), (47, 259825), (95, 128545), (235, 51965), (475, 25709), (547, 22325), (893, 13675), (1175, 10393), (2735, 4465)]