64500865

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 93844800

約数和(自身を除く): 29343935

約数列:

[1, 5, 11, 13, 55, 59, 65, 121, 139, 143, 295, 605, 649, 695, 715, 767, 1529, 1573, 1807, 3245, 3835, 7139, 7645, 7865, 8201, 8437, 9035, 16819, 19877, 35695, 41005, 42185, 84095, 90211, 92807, 99385, 106613, 218647, 451055, 464035, 533065, 992321, 1093235, 1172743, 4961605, 5863715, 12900173, 64500865]

約数ペア:

[(1, 64500865), (5, 12900173), (11, 5863715), (13, 4961605), (55, 1172743), (59, 1093235), (65, 992321), (121, 533065), (139, 464035), (143, 451055), (295, 218647), (605, 106613), (649, 99385), (695, 92807), (715, 90211), (767, 84095), (1529, 42185), (1573, 41005), (1807, 35695), (3245, 19877), (3835, 16819), (7139, 9035), (7645, 8437), (7865, 8201)]