199951478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 328976640

約数和(自身を除く): 129025162

約数列:

[1, 2, 19, 37, 38, 71, 74, 142, 703, 1349, 1406, 2003, 2627, 2698, 4006, 5254, 38057, 49913, 74111, 76114, 99826, 142213, 148222, 284426, 1408109, 2702047, 2816218, 5261881, 5404094, 10523762, 99975739, 199951478]

約数ペア:

[(1, 199951478), (2, 99975739), (19, 10523762), (37, 5404094), (38, 5261881), (71, 2816218), (74, 2702047), (142, 1408109), (703, 284426), (1349, 148222), (1406, 142213), (2003, 99826), (2627, 76114), (2698, 74111), (4006, 49913), (5254, 38057)]