278538208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4817}}^1$

素因数の和:4979

約数の個数: 48

約数和(自身を含む): 594926640

約数和(自身を除く): 316388432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 139, 208, 278, 416, 556, 1112, 1807, 2224, 3614, 4448, 4817, 7228, 9634, 14456, 19268, 28912, 38536, 57824, 62621, 77072, 125242, 154144, 250484, 500968, 669563, 1001936, 1339126, 2003872, 2678252, 5356504, 8704319, 10713008, 17408638, 21426016, 34817276, 69634552, 139269104, 278538208]

約数ペア:

[(1, 278538208), (2, 139269104), (4, 69634552), (8, 34817276), (13, 21426016), (16, 17408638), (26, 10713008), (32, 8704319), (52, 5356504), (104, 2678252), (139, 2003872), (208, 1339126), (278, 1001936), (416, 669563), (556, 500968), (1112, 250484), (1807, 154144), (2224, 125242), (3614, 77072), (4448, 62621), (4817, 57824), (7228, 38536), (9634, 28912), (14456, 19268)]