209938295

素因数分解:

$5^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 295987200

約数和(自身を除く): 86048905

約数列:

[1, 5, 7, 35, 49, 163, 245, 343, 751, 815, 1141, 1715, 3755, 5257, 5705, 7987, 26285, 36799, 39935, 55909, 122413, 183995, 257593, 279545, 612065, 856891, 1287965, 4284455, 5998237, 29991185, 41987659, 209938295]

約数ペア:

[(1, 209938295), (5, 41987659), (7, 29991185), (35, 5998237), (49, 4284455), (163, 1287965), (245, 856891), (343, 612065), (751, 279545), (815, 257593), (1141, 183995), (1715, 122413), (3755, 55909), (5257, 39935), (5705, 36799), (7987, 26285)]