78871888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 161507520

約数和(自身を除く): 82635632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 401, 647, 802, 1294, 1604, 2588, 3208, 5176, 6416, 7619, 10352, 12293, 15238, 24586, 30476, 49172, 60952, 98344, 121904, 196688, 259447, 518894, 1037788, 2075576, 4151152, 4929493, 9858986, 19717972, 39435944, 78871888]

約数ペア:

[(1, 78871888), (2, 39435944), (4, 19717972), (8, 9858986), (16, 4929493), (19, 4151152), (38, 2075576), (76, 1037788), (152, 518894), (304, 259447), (401, 196688), (647, 121904), (802, 98344), (1294, 60952), (1604, 49172), (2588, 30476), (3208, 24586), (5176, 15238), (6416, 12293), (7619, 10352)]