81447492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3863}}^1$

素因数の和:4128

約数の個数: 48

約数和(自身を含む): 218115072

約数和(自身を除く): 136667580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 1004, 1506, 1757, 3012, 3514, 3863, 5271, 7028, 7726, 10542, 11589, 15452, 21084, 23178, 27041, 46356, 54082, 81123, 108164, 162246, 324492, 969613, 1939226, 2908839, 3878452, 5817678, 6787291, 11635356, 13574582, 20361873, 27149164, 40723746, 81447492]

約数ペア:

[(1, 81447492), (2, 40723746), (3, 27149164), (4, 20361873), (6, 13574582), (7, 11635356), (12, 6787291), (14, 5817678), (21, 3878452), (28, 2908839), (42, 1939226), (84, 969613), (251, 324492), (502, 162246), (753, 108164), (1004, 81123), (1506, 54082), (1757, 46356), (3012, 27041), (3514, 23178), (3863, 21084), (5271, 15452), (7028, 11589), (7726, 10542)]