28512976485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{20807}}^1$

素因数の和:21274

約数の個数: 64

約数和(自身を含む): 53950316544

約数和(自身を除く): 25437340059

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 421, 465, 651, 1085, 1263, 2105, 2947, 3255, 6315, 8841, 13051, 14735, 20807, 39153, 44205, 62421, 65255, 91357, 104035, 145649, 195765, 274071, 312105, 436947, 456785, 645017, 728245, 1370355, 1935051, 2184735, 3225085, 4515119, 8759747, 9675255, 13545357, 22575595, 26279241, 43798735, 61318229, 67726785, 131396205, 183954687, 271552157, 306591145, 814656471, 919773435, 1357760785, 1900865099, 4073282355, 5702595297, 9504325495, 28512976485]

約数ペア:

[(1, 28512976485), (3, 9504325495), (5, 5702595297), (7, 4073282355), (15, 1900865099), (21, 1357760785), (31, 919773435), (35, 814656471), (93, 306591145), (105, 271552157), (155, 183954687), (217, 131396205), (421, 67726785), (465, 61318229), (651, 43798735), (1085, 26279241), (1263, 22575595), (2105, 13545357), (2947, 9675255), (3255, 8759747), (6315, 4515119), (8841, 3225085), (13051, 2184735), (14735, 1935051), (20807, 1370355), (39153, 728245), (44205, 645017), (62421, 456785), (65255, 436947), (91357, 312105), (104035, 274071), (145649, 195765)]