81976804

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{32173}}^1$

素因数の和:32204

約数の個数: 36

約数和(自身を含む): 179723964

約数和(自身を除く): 97747160

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 32173, 64346, 128692, 225211, 418249, 450422, 836498, 900844, 1576477, 1672996, 2927743, 3152954, 5855486, 6305908, 11710972, 20494201, 40988402, 81976804]

約数ペア:

[(1, 81976804), (2, 40988402), (4, 20494201), (7, 11710972), (13, 6305908), (14, 5855486), (26, 3152954), (28, 2927743), (49, 1672996), (52, 1576477), (91, 900844), (98, 836498), (182, 450422), (196, 418249), (364, 225211), (637, 128692), (1274, 64346), (2548, 32173)]