77986784

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 157172400

約数和(自身を除く): 79185616

約数列:

[1, 2, 4, 8, 16, 32, 89, 139, 178, 197, 278, 356, 394, 556, 712, 788, 1112, 1424, 1576, 2224, 2848, 3152, 4448, 6304, 12371, 17533, 24742, 27383, 35066, 49484, 54766, 70132, 98968, 109532, 140264, 197936, 219064, 280528, 395872, 438128, 561056, 876256, 2437087, 4874174, 9748348, 19496696, 38993392, 77986784]

約数ペア:

[(1, 77986784), (2, 38993392), (4, 19496696), (8, 9748348), (16, 4874174), (32, 2437087), (89, 876256), (139, 561056), (178, 438128), (197, 395872), (278, 280528), (356, 219064), (394, 197936), (556, 140264), (712, 109532), (788, 98968), (1112, 70132), (1424, 54766), (1576, 49484), (2224, 35066), (2848, 27383), (3152, 24742), (4448, 17533), (6304, 12371)]