261078848

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4051}}^1$

素因数の和:4135

約数の個数: 56

約数和(自身を含む): 555772320

約数和(自身を除く): 294693472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 152, 212, 304, 424, 608, 848, 1007, 1216, 1696, 2014, 3392, 4028, 4051, 8056, 8102, 16112, 16204, 32224, 32408, 64448, 64816, 76969, 129632, 153938, 214703, 259264, 307876, 429406, 615752, 858812, 1231504, 1717624, 2463008, 3435248, 4079357, 4926016, 6870496, 8158714, 13740992, 16317428, 32634856, 65269712, 130539424, 261078848]

約数ペア:

[(1, 261078848), (2, 130539424), (4, 65269712), (8, 32634856), (16, 16317428), (19, 13740992), (32, 8158714), (38, 6870496), (53, 4926016), (64, 4079357), (76, 3435248), (106, 2463008), (152, 1717624), (212, 1231504), (304, 858812), (424, 615752), (608, 429406), (848, 307876), (1007, 259264), (1216, 214703), (1696, 153938), (2014, 129632), (3392, 76969), (4028, 64816), (4051, 64448), (8056, 32408), (8102, 32224), (16112, 16204)]