81115712

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1627}}^1$

素因数の和:1699

約数の個数: 56

約数和(自身を含む): 173675040

約数和(自身を除く): 92559328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 152, 164, 304, 328, 608, 656, 779, 1216, 1312, 1558, 1627, 2624, 3116, 3254, 6232, 6508, 12464, 13016, 24928, 26032, 30913, 49856, 52064, 61826, 66707, 104128, 123652, 133414, 247304, 266828, 494608, 533656, 989216, 1067312, 1267433, 1978432, 2134624, 2534866, 4269248, 5069732, 10139464, 20278928, 40557856, 81115712]

約数ペア:

[(1, 81115712), (2, 40557856), (4, 20278928), (8, 10139464), (16, 5069732), (19, 4269248), (32, 2534866), (38, 2134624), (41, 1978432), (64, 1267433), (76, 1067312), (82, 989216), (152, 533656), (164, 494608), (304, 266828), (328, 247304), (608, 133414), (656, 123652), (779, 104128), (1216, 66707), (1312, 61826), (1558, 52064), (1627, 49856), (2624, 30913), (3116, 26032), (3254, 24928), (6232, 13016), (6508, 12464)]