28799838

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 64982736

約数和(自身を除く): 36182898

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 83, 111, 166, 222, 249, 333, 498, 521, 666, 747, 1042, 1494, 1563, 3071, 3126, 4689, 6142, 9213, 9378, 18426, 19277, 27639, 38554, 43243, 55278, 57831, 86486, 115662, 129729, 173493, 259458, 346986, 389187, 778374, 1599991, 3199982, 4799973, 9599946, 14399919, 28799838]

約数ペア:

[(1, 28799838), (2, 14399919), (3, 9599946), (6, 4799973), (9, 3199982), (18, 1599991), (37, 778374), (74, 389187), (83, 346986), (111, 259458), (166, 173493), (222, 129729), (249, 115662), (333, 86486), (498, 57831), (521, 55278), (666, 43243), (747, 38554), (1042, 27639), (1494, 19277), (1563, 18426), (3071, 9378), (3126, 9213), (4689, 6142)]