127978266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{1607}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 276087168

約数和(自身を除く): 148108902

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1021, 1607, 2042, 3063, 3214, 4821, 6126, 9642, 13273, 20891, 26546, 39819, 41782, 62673, 79638, 125346, 1640747, 3281494, 4922241, 9844482, 21329711, 42659422, 63989133, 127978266]

約数ペア:

[(1, 127978266), (2, 63989133), (3, 42659422), (6, 21329711), (13, 9844482), (26, 4922241), (39, 3281494), (78, 1640747), (1021, 125346), (1607, 79638), (2042, 62673), (3063, 41782), (3214, 39819), (4821, 26546), (6126, 20891), (9642, 13273)]