16658872

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 15395528

約数列:

[1, 2, 4, 8, 71, 139, 142, 211, 278, 284, 422, 556, 568, 844, 1112, 1688, 9869, 14981, 19738, 29329, 29962, 39476, 58658, 59924, 78952, 117316, 119848, 234632, 2082359, 4164718, 8329436, 16658872]

約数ペア:

[(1, 16658872), (2, 8329436), (4, 4164718), (8, 2082359), (71, 234632), (139, 119848), (142, 117316), (211, 78952), (278, 59924), (284, 58658), (422, 39476), (556, 29962), (568, 29329), (844, 19738), (1112, 14981), (1688, 9869)]