78711904

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{563}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 165010608

約数和(自身を除く): 86298704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 257, 272, 514, 544, 563, 1028, 1126, 2056, 2252, 4112, 4369, 4504, 8224, 8738, 9008, 9571, 17476, 18016, 19142, 34952, 38284, 69904, 76568, 139808, 144691, 153136, 289382, 306272, 578764, 1157528, 2315056, 2459747, 4630112, 4919494, 9838988, 19677976, 39355952, 78711904]

約数ペア:

[(1, 78711904), (2, 39355952), (4, 19677976), (8, 9838988), (16, 4919494), (17, 4630112), (32, 2459747), (34, 2315056), (68, 1157528), (136, 578764), (257, 306272), (272, 289382), (514, 153136), (544, 144691), (563, 139808), (1028, 76568), (1126, 69904), (2056, 38284), (2252, 34952), (4112, 19142), (4369, 18016), (4504, 17476), (8224, 9571), (8738, 9008)]