31128104

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7829}}^1$

素因数の和:7913

約数の個数: 32

約数和(自身を含む): 67651200

約数和(自身を除く): 36523096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 7829, 15658, 31316, 54803, 62632, 109606, 219212, 438424, 555859, 1111718, 2223436, 3891013, 4446872, 7782026, 15564052, 31128104]

約数ペア:

[(1, 31128104), (2, 15564052), (4, 7782026), (7, 4446872), (8, 3891013), (14, 2223436), (28, 1111718), (56, 555859), (71, 438424), (142, 219212), (284, 109606), (497, 62632), (568, 54803), (994, 31316), (1988, 15658), (3976, 7829)]