199401288

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 514149120

約数和(自身を除く): 314747832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 431, 444, 521, 862, 888, 1042, 1293, 1563, 1724, 2084, 2586, 3126, 3448, 4168, 5172, 6252, 10344, 12504, 15947, 19277, 31894, 38554, 47841, 57831, 63788, 77108, 95682, 115662, 127576, 154216, 191364, 224551, 231324, 382728, 449102, 462648, 673653, 898204, 1347306, 1796408, 2694612, 5389224, 8308387, 16616774, 24925161, 33233548, 49850322, 66467096, 99700644, 199401288]

約数ペア:

[(1, 199401288), (2, 99700644), (3, 66467096), (4, 49850322), (6, 33233548), (8, 24925161), (12, 16616774), (24, 8308387), (37, 5389224), (74, 2694612), (111, 1796408), (148, 1347306), (222, 898204), (296, 673653), (431, 462648), (444, 449102), (521, 382728), (862, 231324), (888, 224551), (1042, 191364), (1293, 154216), (1563, 127576), (1724, 115662), (2084, 95682), (2586, 77108), (3126, 63788), (3448, 57831), (4168, 47841), (5172, 38554), (6252, 31894), (10344, 19277), (12504, 15947)]