278319904

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4051}}^1$

素因数の和:4193

約数の個数: 48

約数和(自身を含む): 582029280

約数和(自身を除く): 303709376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 226, 304, 452, 608, 904, 1808, 2147, 3616, 4051, 4294, 8102, 8588, 16204, 17176, 32408, 34352, 64816, 68704, 76969, 129632, 153938, 307876, 457763, 615752, 915526, 1231504, 1831052, 2463008, 3662104, 7324208, 8697497, 14648416, 17394994, 34789988, 69579976, 139159952, 278319904]

約数ペア:

[(1, 278319904), (2, 139159952), (4, 69579976), (8, 34789988), (16, 17394994), (19, 14648416), (32, 8697497), (38, 7324208), (76, 3662104), (113, 2463008), (152, 1831052), (226, 1231504), (304, 915526), (452, 615752), (608, 457763), (904, 307876), (1808, 153938), (2147, 129632), (3616, 76969), (4051, 68704), (4294, 64816), (8102, 34352), (8588, 32408), (16204, 17176)]